The remote Ubuntu 20.04 LTS / 22.04 LTS / 23.04 / 23.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6563-1 advisory.

    Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially     crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of     service, obtain sensitive information, bypass security restrictions, cross-site tracing, or execute     arbitrary code.(CVE-2023-6857, CVE-2023-6858, CVE-2023-6859, CVE-2023-6861, CVE-2023-6862, CVE-2023-6863,     CVE-2023-6864)

    Marcus Brinkmann discovered that Thunderbird did not properly parse a PGP/MIME payload that contains     digitally signed text. An attacker could potentially exploit this issue to spoof an email message.
    (CVE-2023-50762)

    Marcus Brinkmann discovered that Thunderbird did not properly compare the signature creation date with the     message date and time when using digitally signed S/MIME email message. An attacker could potentially     exploit this issue to spoof date and time of an email message. (CVE-2023-50761)

    DoHyun Lee discovered that Thunderbird did not properly manage memory when used on systems with the Mesa     VM driver. An attacker could potentially exploit this issue to execute arbitrary code. (CVE-2023-6856)

    Andrew Osmond discovered that Thunderbird did not properly validate the textures produced by remote     decoders. An attacker could potentially exploit this issue to escape the sandbox. (CVE-2023-6860)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2024-0001 advisory.

    [115.6.0-1.0.1]
    - Replaced thunderbird-redhat-default-prefs.js with thunderbird-oracle-default-prefs.js
    - Update to 115.6.0 build2

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote MiracleLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2024-7343:01 advisory.

    Mozilla: Heap-buffer-overflow affecting WebGLDrawElementsInstanced method with Mesa VM driver     (CVE-2023-6856)         Mozilla: Memory safety bugs fixed in Firefox 121, Firefox ESR 115.6, and     Thunderbird 115.6 (CVE-2023-6864)         Mozilla: S/MIME signature accepted despite mismatching message date     (CVE-2023-50761)         Mozilla: Truncated signed text was shown with a valid OpenPGP signature     (CVE-2023-50762)         Mozilla: Symlinks may resolve to smaller than expected buffers     (CVE-2023-6857)         Mozilla: Heap buffer overflow in nsTextFragment (CVE-2023-6858)         Mozilla: Use-after-free in PR_GetIdentitiesLayer (CVE-2023-6859)         Mozilla: Potential sandbox escape due to VideoBridge lack of     texture validation (CVE-2023-6860)         Mozilla: Heap buffer overflow affectednsWindow::PickerOpen(void) in headless mode (CVE-2023-6861)         Mozilla: Use-after-free in nsDNSService (CVE-2023-6862)         Mozilla: Undefined behavior in ShutdownObserver()     (CVE-2023-6863)

Tenable has extracted the preceding description block directly from the MiracleLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2024:0030 advisory.

    Mozilla Thunderbird is a standalone mail and newsgroup client.

    This update upgrades Thunderbird to version 115.6.0.

    Security Fix(es):

    * Mozilla: Heap-buffer-overflow affecting WebGL <code>DrawElementsInstanced</code> method with Mesa VM     driver (CVE-2023-6856)

    * Mozilla: Memory safety bugs fixed in Firefox 121, Firefox ESR 115.6, and Thunderbird 115.6     (CVE-2023-6864)

    * Mozilla: S/MIME signature accepted despite mismatching message date (CVE-2023-50761)

    * Mozilla: Truncated signed text was shown with a valid OpenPGP signature (CVE-2023-50762)

    * Mozilla: Symlinks may resolve to smaller than expected buffers (CVE-2023-6857)

    * Mozilla: Heap buffer overflow in <code>nsTextFragment</code> (CVE-2023-6858)

    * Mozilla: Use-after-free in PR_GetIdentitiesLayer (CVE-2023-6859)

    * Mozilla: Potential sandbox escape due to <code>VideoBridge</code> lack of texture validation     (CVE-2023-6860)

    * Mozilla: Heap buffer overflow affected <code>nsWindow::PickerOpen(void)</code> in headless mode     (CVE-2023-6861)

    * Mozilla: Use-after-free in <code>nsDNSService</code> (CVE-2023-6862)

    * Mozilla: Undefined behavior in <code>ShutdownObserver()</code> (CVE-2023-6863)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote AlmaLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2024:0003 advisory.

  - The signature of a digitally signed S/MIME email message may optionally specify the signature creation     date and time. If present, Thunderbird did not compare the signature creation date with the message date     and time, and displayed a valid signature despite a date or time mismatch. This could be used to give     recipients the impression that a message was sent at a different date or time. This vulnerability affects     Thunderbird < 115.6. (CVE-2023-50761)

  - When processing a PGP/MIME payload that contains digitally signed text, the first paragraph of the text     was never shown to the user. This is because the text was interpreted as a MIME message and the first     paragraph was always treated as an email header section. A digitally signed text from a different context,     such as a signed GIT commit, could be used to spoof an email message. This vulnerability affects     Thunderbird < 115.6. (CVE-2023-50762)

  - The WebGL `DrawElementsInstanced` method was susceptible to a heap buffer overflow when used on systems     with the Mesa VM driver. This issue could allow an attacker to perform remote code execution and sandbox     escape. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
    (CVE-2023-6856)

  - When resolving a symlink, a race may occur where the buffer passed to `readlink` may actually be smaller     than necessary. *This bug only affects Firefox on Unix-based operating systems (Android, Linux, MacOS).
    Windows is unaffected.* This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox <     121. (CVE-2023-6857)

  - Firefox was susceptible to a heap buffer overflow in `nsTextFragment` due to insufficient OOM handling.
    This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. (CVE-2023-6858)

  - A use-after-free condition affected TLS socket creation when under memory pressure. This vulnerability     affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. (CVE-2023-6859)

  - The `VideoBridge` allowed any content process to use textures produced by remote decoders. This could be     abused to escape the sandbox. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and     Firefox < 121. (CVE-2023-6860)

  - The `nsWindow::PickerOpen(void)` method was susceptible to a heap buffer overflow when running in headless     mode. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
    (CVE-2023-6861)

  - A use-after-free was identified in the `nsDNSService::Init`. This issue appears to manifest rarely during     start-up. This vulnerability affects Firefox ESR < 115.6 and Thunderbird < 115.6. (CVE-2023-6862)

  - The `ShutdownObserver()` was susceptible to potentially undefined behavior due to its reliance on a     dynamic type that lacked a virtual destructor. This vulnerability affects Firefox ESR < 115.6, Thunderbird     < 115.6, and Firefox < 121. (CVE-2023-6863)

  - Memory safety bugs present in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5. Some of these bugs     showed evidence of memory corruption and we presume that with enough effort some of these could have been     exploited to run arbitrary code. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and     Firefox < 121. (CVE-2023-6864)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2024:0003 advisory.

  - The signature of a digitally signed S/MIME email message may optionally specify the signature creation     date and time. If present, Thunderbird did not compare the signature creation date with the message date     and time, and displayed a valid signature despite a date or time mismatch. This could be used to give     recipients the impression that a message was sent at a different date or time. This vulnerability affects     Thunderbird < 115.6. (CVE-2023-50761)

  - When processing a PGP/MIME payload that contains digitally signed text, the first paragraph of the text     was never shown to the user. This is because the text was interpreted as a MIME message and the first     paragraph was always treated as an email header section. A digitally signed text from a different context,     such as a signed GIT commit, could be used to spoof an email message. This vulnerability affects     Thunderbird < 115.6. (CVE-2023-50762)

  - The WebGL `DrawElementsInstanced` method was susceptible to a heap buffer overflow when used on systems     with the Mesa VM driver. This issue could allow an attacker to perform remote code execution and sandbox     escape. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
    (CVE-2023-6856)

  - When resolving a symlink, a race may occur where the buffer passed to `readlink` may actually be smaller     than necessary. *This bug only affects Firefox on Unix-based operating systems (Android, Linux, MacOS).
    Windows is unaffected.* This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox <     121. (CVE-2023-6857)

  - Firefox was susceptible to a heap buffer overflow in `nsTextFragment` due to insufficient OOM handling.
    This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. (CVE-2023-6858)

  - A use-after-free condition affected TLS socket creation when under memory pressure. This vulnerability     affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. (CVE-2023-6859)

  - The `VideoBridge` allowed any content process to use textures produced by remote decoders. This could be     abused to escape the sandbox. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and     Firefox < 121. (CVE-2023-6860)

  - The `nsWindow::PickerOpen(void)` method was susceptible to a heap buffer overflow when running in headless     mode. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
    (CVE-2023-6861)

  - A use-after-free was identified in the `nsDNSService::Init`. This issue appears to manifest rarely during     start-up. This vulnerability affects Firefox ESR < 115.6 and Thunderbird < 115.6. (CVE-2023-6862)

  - The `ShutdownObserver()` was susceptible to potentially undefined behavior due to its reliance on a     dynamic type that lacked a virtual destructor. This vulnerability affects Firefox ESR < 115.6, Thunderbird     < 115.6, and Firefox < 121. (CVE-2023-6863)

  - Memory safety bugs present in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5. Some of these bugs     showed evidence of memory corruption and we presume that with enough effort some of these could have been     exploited to run arbitrary code. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and     Firefox < 121. (CVE-2023-6864)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of thunderbird installed on the remote host is prior to 115.6.0-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2024-2377 advisory.

    The signature of a digitally signed S/MIME email message may optionally specify the signature creation     date and time. If present, Thunderbird did not compare the signature creation date with the message date     and time, and displayed a valid signature despite a date or time mismatch. This could be used to give     recipients the impression that a message was sent at a different date or time. This vulnerability affects     Thunderbird < 115.6. (CVE-2023-50761)

    When processing a PGP/MIME payload that contains digitally signed text, the first paragraph of the text     was never shown to the user. This is because the text was interpreted as a MIME message and the first     paragraph was always treated as an email header section. A digitally signed text from a different context,     such as a signed GIT commit, could be used to spoof an email message. This vulnerability affects     Thunderbird < 115.6. (CVE-2023-50762)

    The WebGL `DrawElementsInstanced` method was susceptible to a heap buffer overflow when used on systems     with the Mesa VM driver.  This issue could allow an attacker to perform remote code execution and sandbox     escape. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
    (CVE-2023-6856)

    When resolving a symlink, a race may occur where the buffer passed to `readlink` may actually be smaller     than necessary.*This bug only affects Firefox on Unix-based operating systems (Android, Linux, MacOS).
    Windows is unaffected.* This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox <     121. (CVE-2023-6857)

    Firefox was susceptible to a heap buffer overflow in `nsTextFragment` due to insufficient OOM handling.
    This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. (CVE-2023-6858)

    A use-after-free condition affected TLS socket creation when under memory pressure. This vulnerability     affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. (CVE-2023-6859)

    The `VideoBridge` allowed any content process to use textures produced by remote decoders.  This could be     abused to escape the sandbox. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and     Firefox < 121. (CVE-2023-6860)

    The `nsWindow::PickerOpen(void)` method was susceptible to a heap buffer overflow when running in headless     mode. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
    (CVE-2023-6861)

    A use-after-free was identified in the `nsDNSService::Init`.  This issue appears to manifest rarely during     start-up. This vulnerability affects Firefox ESR < 115.6 and Thunderbird < 115.6. (CVE-2023-6862)

    The `ShutdownObserver()` was susceptible to potentially undefined behavior due to its reliance on a     dynamic type that lacked a virtual destructor. This vulnerability affects Firefox ESR < 115.6, Thunderbird     < 115.6, and Firefox < 121. (CVE-2023-6863)

    Memory safety bugs present in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5. Some of these bugs     showed evidence of memory corruption and we presume that with enough effort some of these could have been     exploited to run arbitrary code. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and     Firefox < 121. (CVE-2023-6864)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2024:0464 advisory.

    Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:

    CVE-2024-1552:
    Incorrect code generation could have led to unexpected numeric conversions and potential undefined     behavior.*Note:* This issue only affects 32-bit ARM devices. This vulnerability affects Firefox < 123,     Firefox ESR < 115.8, and Thunderbird < 115.8.

    CVE-2024-1549:
    If a website set a large custom cursor, portions of the cursor could have overlapped with the permission     dialog, potentially resulting in user confusion and unexpected granted permissions. This vulnerability     affects Firefox < 123, Firefox ESR < 115.8, and Thunderbird < 115.8.

    CVE-2024-0741:
    An out of bounds write in ANGLE could have allowed an attacker to corrupt memory leading to a potentially     exploitable crash. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.

    CVE-2024-0755:
    Memory safety bugs present in Firefox 121, Firefox ESR 115.6, and Thunderbird 115.6. Some of these bugs     showed evidence of memory corruption and we presume that with enough effort some of these could have been     exploited to run arbitrary code. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and     Thunderbird < 115.7.

    CVE-2023-6208:
    When using X11, text selected by the page using the Selection API was erroneously copied into the primary     selection, a temporary storage not unlike the clipboard.
    *This bug only affects Firefox on X11. Other systems are unaffected.* This vulnerability affects Firefox <     120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.

    CVE-2023-6207:
    Ownership mismanagement led to a use-after-free in ReadableByteStreams This vulnerability affects Firefox     < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.

    CVE-2023-6204:
    On some systemsdepending on the graphics settings and driversit was possible to force an out-of-     bounds read and leak memory data into the images created on the canvas element. This vulnerability affects     Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.

    CVE-2023-6206:
    The black fade animation when exiting fullscreen is roughly the length of the anti-clickjacking delay on     permission prompts. It was possible to use this fact to surprise users by luring them to click where the     permission grant button would be about to appear. This vulnerability affects Firefox < 120, Firefox ESR <     115.5.0, and Thunderbird < 115.5.

    CVE-2023-6205:
    It was possible to cause the use of a MessagePort after it had already been freed, which could potentially     have led to an exploitable crash. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and     Thunderbird < 115.5.

    CVE-2023-6209:
    Relative URLs starting with three slashes were incorrectly parsed, and a path-traversal /../ part in the     path could be used to override the specified host. This could contribute to security problems in web     sites. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.

    CVE-2023-6212:
    Memory safety bugs present in Firefox 119, Firefox ESR 115.4, and Thunderbird 115.4. Some of these bugs     showed evidence of memory corruption and we presume that with enough effort some of these could have been     exploited to run arbitrary code. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and     Thunderbird < 115.5.

    CVE-2023-6858:
    Firefox was susceptible to a heap buffer overflow in `nsTextFragment` due to insufficient OOM handling.
    This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

    CVE-2023-6857:
    When resolving a symlink, a race may occur where the buffer passed to `readlink` may actually be smaller     than necessary.
    *This bug only affects Firefox on Unix-based operating systems (Android, Linux, MacOS). Windows is     unaffected.* This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

    CVE-2023-6856:
    The WebGL `DrawElementsInstanced` method was susceptible to a heap buffer overflow when used on systems     with the Mesa VM driver.  This issue could allow an attacker to perform remote code execution and sandbox     escape. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

    CVE-2023-6863:
    The `ShutdownObserver()` was susceptible to potentially undefined behavior due to its reliance on a     dynamic type that lacked a virtual destructor. This vulnerability affects Firefox ESR < 115.6, Thunderbird     < 115.6, and Firefox < 121.

    CVE-2023-6861:
    The `nsWindow::PickerOpen(void)` method was susceptible to a heap buffer overflow when running in headless     mode. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

    CVE-2023-6864:
    Memory safety bugs present in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5. Some of these bugs     showed evidence of memory corruption and we presume that with enough effort some of these could have been     exploited to run arbitrary code. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and     Firefox < 121.

    CVE-2023-6859:
    A use-after-free condition affected TLS socket creation when under memory pressure. This vulnerability     affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

    CVE-2023-6862:
    A use-after-free was identified in the `nsDNSService::Init`.  This issue appears to manifest rarely during     start-up. This vulnerability affects Firefox ESR < 115.6 and Thunderbird < 115.6.

    CVE-2023-6867:
    The timing of a button click causing a popup to disappear was approximately the same length as the anti-     clickjacking delay on permission prompts. It was possible to use this fact to surprise users by luring     them to click where the permission grant button would be about to appear. This vulnerability affects     Firefox ESR < 115.6 and Firefox < 121.

    CVE-2023-6860:
    The `VideoBridge` allowed any content process to use textures produced by remote decoders.  This could be     abused to escape the sandbox. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and     Firefox < 121.

    CVE-2023-6865:
    `EncryptingOutputStream` was susceptible to exposing uninitialized data.  This issue could only be abused     in order to write data to a local disk which may have implications for private browsing mode. This     vulnerability affects Firefox ESR < 115.6 and Firefox < 121.

    CVE-2023-50762:
    When processing a PGP/MIME payload that contains digitally signed text, the first paragraph of the text     was never shown to the user. This is because the text was interpreted as a MIME message and the first     paragraph was always treated as an email header section. A digitally signed text from a different context,     such as a signed GIT commit, could be used to spoof an email message. This vulnerability affects     Thunderbird < 115.6.

Tenable has extracted the preceding description block directly from the Tencent Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2024:0004 advisory.

    Mozilla Thunderbird is a standalone mail and newsgroup client.

    This update upgrades Thunderbird to version 115.6.0.

    Security Fix(es):

    * Mozilla: Heap-buffer-overflow affecting WebGL <code>DrawElementsInstanced</code> method with Mesa VM     driver (CVE-2023-6856)

    * Mozilla: Memory safety bugs fixed in Firefox 121, Firefox ESR 115.6, and Thunderbird 115.6     (CVE-2023-6864)

    * Mozilla: S/MIME signature accepted despite mismatching message date (CVE-2023-50761)

    * Mozilla: Truncated signed text was shown with a valid OpenPGP signature (CVE-2023-50762)

    * Mozilla: Symlinks may resolve to smaller than expected buffers (CVE-2023-6857)

    * Mozilla: Heap buffer overflow in <code>nsTextFragment</code> (CVE-2023-6858)

    * Mozilla: Use-after-free in PR_GetIdentitiesLayer (CVE-2023-6859)

    * Mozilla: Potential sandbox escape due to <code>VideoBridge</code> lack of texture validation     (CVE-2023-6860)

    * Mozilla: Heap buffer overflow affected <code>nsWindow::PickerOpen(void)</code> in headless mode     (CVE-2023-6861)

    * Mozilla: Use-after-free in <code>nsDNSService</code> (CVE-2023-6862)

    * Mozilla: Undefined behavior in <code>ShutdownObserver()</code> (CVE-2023-6863)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Tencent Linux installed on the remote TencentOS Server 2 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2024:0006 advisory.

    Package updates are available for TencentOS Server 2 that fix the following vulnerabilities:

    CVE-2023-6856:
    The Mozilla Foundation Security Advisory describes this flaw as:

    The WebGL `DrawElementsInstanced` method was susceptible to a heap buffer overflow when used on systems     with the Mesa VM driver.  This issue could allow an attacker to perform remote code execution and sandbox     escape.

    CVE-2023-6857:
    The Mozilla Foundation Security Advisory describes this flaw as:

    When resolving a symlink, a race may occur where the buffer passed to `readlink` may actually be smaller     than necessary.

    *This bug only affects Firefox on Unix-based operating systems (Android, Linux, MacOS). Windows is     unaffected.*

    CVE-2023-6858:
    The Mozilla Foundation Security Advisory describes this flaw as:

    Firefox was susceptible to a heap buffer overflow in `nsTextFragment` due to insufficient OOM handling.

    CVE-2023-6859:
    The Mozilla Foundation Security Advisory describes this flaw as:

    A use-after-free condition affected TLS socket creation when under memory pressure.

    CVE-2023-6860:
    The Mozilla Foundation Security Advisory describes this flaw as:

    The `VideoBridge` allowed any content process to use textures produced by remote decoders.  This could be     abused to escape the sandbox.

    CVE-2023-6861:
    The Mozilla Foundation Security Advisory describes this flaw as:

    The `nsWindow::PickerOpen(void)` method was susceptible to a heap buffer overflow when running in headless     mode.

    CVE-2023-6862:
    The Mozilla Foundation Security Advisory describes this flaw as:

    A use-after-free was identified in the `nsDNSService::Init`.  This issue appears to manifest rarely during     start-up.

    CVE-2023-6863:
    The Mozilla Foundation Security Advisory describes this flaw as:

    The `ShutdownObserver()` was susceptible to potentially undefined behavior due to its reliance on a     dynamic type that lacked a virtual destructor.

    CVE-2023-6864:
    The Mozilla Foundation Security Advisory describes this flaw as:

    Memory safety bugs present in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5. Some of these bugs     showed evidence of memory corruption and we presume that with enough effort some of these could have been     exploited to run arbitrary code.

    CVE-2023-50761:
    The Mozilla Foundation Security Advisory: The signature of a digitally signed S/MIME email message may     optionally specify the signature creation date and time. If present, Thunderbird did not compare the     signature creation date with the message date and time, and displayed a valid signature despite a date or     time mismatch. This could be used to give recipients the impression that a message was sent at a different     date or time.

    CVE-2023-50762:
    The Mozilla Foundation Security Advisory: When processing a PGP/MIME payload that contains digitally     signed text, the first paragraph of the text was never shown to the user. This is because the text was     interpreted as a MIME message and the first paragraph was always treated as an email header section. A     digitally signed text from a different context, such as a signed GIT commit, could be used to spoof an     email message.

Tenable has extracted the preceding description block directly from the Tencent Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:0044-1 advisory.

    Firefox Extended Support Release 115.6.0 ESR (bsc#1217974):
            * CVE-2023-6856: Heap-buffer-overflow affecting WebGL  DrawElementsInstanced method with Mesa VM     driver (bmo#1843782).
            * CVE-2023-6857: Symlinks may resolve to smaller than expected buffers (bmo#1796023).
            * CVE-2023-6858: Heap buffer overflow in nsTextFragment (bmo#1826791).
            * CVE-2023-6859: Use-after-free in PR_GetIdentitiesLayer (bmo#1840144).
            * CVE-2023-6860: Potential sandbox escape due to VideoBridge lack of texture validation     (bmo#1854669).
            * CVE-2023-6861: Heap buffer overflow affected nsWindow::PickerOpen(void) in headless mode     (bmo#1864118).
            * CVE-2023-6862: Use-after-free in nsDNSService (bsc#1868042).
            * CVE-2023-6863: Undefined behavior in ShutdownObserver() (bmo#1868901).
            * CVE-2023-6864: Memory safety bugs fixed in Firefox 121, Firefox ESR 115.6, and Thunderbird     115.6.
            * CVE-2023-50762: Truncated signed text was shown with a valid OpenPGP signature (bmo#1862625).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote CentOS Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the CESA-2024:0003 advisory.

  - The signature of a digitally signed S/MIME email message may optionally specify the signature creation     date and time. If present, Thunderbird did not compare the signature creation date with the message date     and time, and displayed a valid signature despite a date or time mismatch. This could be used to give     recipients the impression that a message was sent at a different date or time. This vulnerability affects     Thunderbird < 115.6. (CVE-2023-50761)

  - When processing a PGP/MIME payload that contains digitally signed text, the first paragraph of the text     was never shown to the user. This is because the text was interpreted as a MIME message and the first     paragraph was always treated as an email header section. A digitally signed text from a different context,     such as a signed GIT commit, could be used to spoof an email message. This vulnerability affects     Thunderbird < 115.6. (CVE-2023-50762)

  - The WebGL `DrawElementsInstanced` method was susceptible to a heap buffer overflow when used on systems     with the Mesa VM driver. This issue could allow an attacker to perform remote code execution and sandbox     escape. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
    (CVE-2023-6856)

  - When resolving a symlink, a race may occur where the buffer passed to `readlink` may actually be smaller     than necessary. *This bug only affects Firefox on Unix-based operating systems (Android, Linux, MacOS).
    Windows is unaffected.* This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox <     121. (CVE-2023-6857)

  - Firefox was susceptible to a heap buffer overflow in `nsTextFragment` due to insufficient OOM handling.
    This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. (CVE-2023-6858)

  - A use-after-free condition affected TLS socket creation when under memory pressure. This vulnerability     affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. (CVE-2023-6859)

  - The `VideoBridge` allowed any content process to use textures produced by remote decoders. This could be     abused to escape the sandbox. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and     Firefox < 121. (CVE-2023-6860)

  - The `nsWindow::PickerOpen(void)` method was susceptible to a heap buffer overflow when running in headless     mode. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
    (CVE-2023-6861)

  - A use-after-free was identified in the `nsDNSService::Init`. This issue appears to manifest rarely during     start-up. This vulnerability affects Firefox ESR < 115.6 and Thunderbird < 115.6. (CVE-2023-6862)

  - The `ShutdownObserver()` was susceptible to potentially undefined behavior due to its reliance on a     dynamic type that lacked a virtual destructor. This vulnerability affects Firefox ESR < 115.6, Thunderbird     < 115.6, and Firefox < 121. (CVE-2023-6863)

  - Memory safety bugs present in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5. Some of these bugs     showed evidence of memory corruption and we presume that with enough effort some of these could have been     exploited to run arbitrary code. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and     Firefox < 121. (CVE-2023-6864)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
187429	Ubuntu 20.04 LTS / 22.04 LTS / 23.04 / 23.10 : Thunderbird vulnerabilities (USN-6563-1)	Nessus	Ubuntu Local Security Checks	2024/1/2	2024/8/27	high
187617	Oracle Linux 9 : thunderbird (ELSA-2024-0001)	Nessus	Oracle Linux Local Security Checks	2024/1/3	2025/9/9	high
291875	MiracleLinux 9 : thunderbird-115.6.0-1.el9_3.ML.1 (AXSA:2024-7343:01)	Nessus	Miracle Linux Local Security Checks	2026/1/20	2026/1/20	high
187419	RHEL 8 : thunderbird (RHSA-2024:0030)	Nessus	Red Hat Local Security Checks	2024/1/2	2024/11/7	high
187643	AlmaLinux 8 : thunderbird (ALSA-2024:0003)	Nessus	Alma Linux Local Security Checks	2024/1/4	2024/1/26	high
187713	Rocky Linux 8 : thunderbird (RLSA-2024:0003)	Nessus	Rocky Linux Local Security Checks	2024/1/9	2024/1/26	high
187831	Amazon Linux 2 : thunderbird (ALAS-2024-2377)	Nessus	Amazon Linux Local Security Checks	2024/1/9	2024/12/11	high
190759	GLSA-202402-25 : Mozilla Thunderbird: Multiple Vulnerabilities	Nessus	Gentoo Local Security Checks	2024/2/20	2024/2/20	critical
238781	TencentOS Server 4: thunderbird (TSSA-2024:0464)	Nessus	Tencent Local Security Checks	2025/6/16	2025/12/4	high
189662	RHEL 8 : thunderbird (RHSA-2024:0004)	Nessus	Red Hat Local Security Checks	2024/1/26	2024/11/7	high
238771	TencentOS Server 2: thunderbird (TSSA-2024:0006)	Nessus	Tencent Local Security Checks	2025/6/16	2025/11/20	high
187723	SUSE SLED15: MozillaThunderbird / MozillaThunderbird-translations-common / etc (SUSE-SU-2024:0044-1)	Nessus	SuSE Local Security Checks	2024/1/9	2026/6/25	high
188075	CentOS 8 : thunderbird (CESA-2024:0003)	Nessus	CentOS Local Security Checks	2024/1/16	2024/2/8	high

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