The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:5046 advisory.

    Mozilla Thunderbird is a standalone mail and newsgroup client.

    This update upgrades Thunderbird to version 91.4.0.

    Security Fix(es):

    * Mozilla: Memory safety bugs fixed in Firefox 95 and Firefox ESR 91.4 (BZ#2030116)

    * Mozilla: URL leakage when navigating while executing asynchronous function (CVE-2021-43536)

    * Mozilla: Heap buffer overflow when using structured clone (CVE-2021-43537)

    * Mozilla: Missing fullscreen and pointer lock notification when requesting both (CVE-2021-43538)

    * Mozilla: GC rooting failure when calling wasm instance methods (CVE-2021-43539)

    * Mozilla: External protocol handler parameters were unescaped (CVE-2021-43541)

    * Mozilla: XMLHttpRequest error codes could have leaked the existence of an external protocol handler     (CVE-2021-43542)

    * Mozilla: Bypass of CSP sandbox directive when embedding (CVE-2021-43543)

    * Mozilla: JavaScript unexpectedly enabled for the composition area (CVE-2021-43528)

    * Mozilla: Denial of Service when using the Location API in a loop (CVE-2021-43545)

    * Mozilla: Cursor spoofing could overlay user interface when native cursor is zoomed (CVE-2021-43546)

    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 Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:5045 advisory.

    Mozilla Thunderbird is a standalone mail and newsgroup client.

    This update upgrades Thunderbird to version 91.4.0.

    Security Fix(es):

    * Mozilla: Memory safety bugs fixed in Firefox 95 and Firefox ESR 91.4 (BZ#2030116)

    * Mozilla: URL leakage when navigating while executing asynchronous function (CVE-2021-43536)

    * Mozilla: Heap buffer overflow when using structured clone (CVE-2021-43537)

    * Mozilla: Missing fullscreen and pointer lock notification when requesting both (CVE-2021-43538)

    * Mozilla: GC rooting failure when calling wasm instance methods (CVE-2021-43539)

    * Mozilla: External protocol handler parameters were unescaped (CVE-2021-43541)

    * Mozilla: XMLHttpRequest error codes could have leaked the existence of an external protocol handler     (CVE-2021-43542)

    * Mozilla: Bypass of CSP sandbox directive when embedding (CVE-2021-43543)

    * Mozilla: JavaScript unexpectedly enabled for the composition area (CVE-2021-43528)

    * Mozilla: Denial of Service when using the Location API in a loop (CVE-2021-43545)

    * Mozilla: Cursor spoofing could overlay user interface when native cursor is zoomed (CVE-2021-43546)

    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 thunderbird installed on the remote host is prior to 102.7.1-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2023-1951 advisory.

    2025-01-30: CVE-2022-31744 was added to this advisory.

    2025-01-30: CVE-2022-3155 was added to this advisory.

    2024-05-23: CVE-2023-0430 was added to this advisory.

    An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be     exploited. This vulnerability affects Thunderbird < 78.9 and Firefox ESR < 78.9. (CVE-2021-4127)

    Mozilla developers and community members Julian Hector, Randell Jesup, Gabriele Svelto, Tyson Smith,     Christian Holler, and Masayuki Nakano reported memory safety bugs present in Firefox 94. 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 < 95, Firefox ESR < 91.4.0, and     Thunderbird < 91.4.0. (CVE-2021-4129)

    A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of if an     attacker corrupted an object prototype, they could set undesired attributes on a JavaScript object,     leading to privileged code execution. (CVE-2022-2200)

    A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue that Thunderbird     did not set the attribute com.apple.quarantine on the received file when saving or opening an email     attachment on macOS. If the received file was an application and the user attempted to open it, the     application was started immediately without asking the user to confirm. (CVE-2022-3155)

    An attacker could have injected CSS into stylesheets accessible via internal URIs, such as resource:, and     in doing so bypass a page's Content Security Policy. This vulnerability affects Firefox ESR < 91.11,     Thunderbird < 102, Thunderbird < 91.11, and Firefox < 101. (CVE-2022-31744)

    An out-of-bounds read can occur when decoding H264 video. This results in a potentially exploitable crash.
    This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105. (CVE-2022-3266)

    An iframe that was not permitted to run scripts could do so if the user clicked on a     <code>javascript:</code> link. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird     < 102, and Thunderbird < 91.11. (CVE-2022-34468)

    Session history navigations may have led to a use-after-free and potentially exploitable crash. This     vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.
    (CVE-2022-34470)

    A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue that if a PAC     URL was set and the server that hosts the PAC was not reachable, OCSP requests are blocked, resulting in     incorrect error pages being shown. (CVE-2022-34472)

    A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of a malicious     website that creates a popup that could have resized the popup to overlay the address bar with its own     content, resulting in potential user confusion or spoofing attacks. (CVE-2022-34479)

    A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue within the     `nsTArray_Impl::ReplaceElementsAt()` function, where an integer overflow could occur when the number of     elements to replace was too large for the container. (CVE-2022-34481)

    The Mozilla Fuzzing Team reported potential vulnerabilities present in Thunderbird 91.10. 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 < 102, Firefox ESR < 91.11,     Thunderbird < 102, and Thunderbird < 91.11. (CVE-2022-34484)

    A stack based buffer overflow vulnerability was identified in Mozilla Firefox and Firefox ESR. This     vulnerability occurs when the buffer being overwritten is allocated on the stack (i.e., is a local     variable or, rarely, a parameter to a function). An attacker could cause of denial-of-service style crash     by exploiting this vulnerability. To exploit this vulnerability, a remote, unauthenticated attacker would     need to convince a user to visit a specially crafted website or open a malicious document.
    (CVE-2022-40961)

    If a Thunderbird user quoted from an HTML email, for example by replying to the email, and the email     contained either a VIDEO tag with the POSTER attribute or an OBJECT tag with a DATA attribute, a network     request to the referenced remote URL was performed, regardless of a configuration to block remote content.
    An image loaded from the POSTER attribute was shown in the composer window. These issues could have given     an attacker additional capabilities when targetting releases that did not yet have a fix for CVE-2022-3033     which was reported around three months ago. This vulnerability affects Thunderbird < 102.5.1.
    (CVE-2022-45414)

    RESERVEDNOTE: https://www.mozilla.org/en-US/security/advisories/mfsa2022-51/#CVE-2022-46871     (CVE-2022-46871)

    The Mozilla Foundation Security Advisory describes this flaw as: An attacker who compromised a content     process could have partially escaped the sandbox to read arbitrary files via clipboard-related IPC     messages.

    *This bug only affects Firefox for Linux. Other operating systems are unaffected.* (CVE-2022-46872)

    A file with a long filename could have had its filename truncated to remove the valid extension, leaving a     malicious extension in its place. This could potentially led to user confusion and the execution of     malicious code.<br/>*Note*: This issue was originally included in the advisories for Thunderbird 102.6,     but a patch (specific to Thunderbird) was omitted, resulting in it actually being fixed in Thunderbird     102.6.1. This vulnerability affects Firefox < 108, Thunderbird < 102.6.1, Thunderbird < 102.6, and Firefox     ESR < 102.6. (CVE-2022-46874)

    By confusing the browser, the fullscreen notification could have been delayed or suppressed, resulting in     potential user confusion or spoofing attacks. This vulnerability affects Firefox < 108. (CVE-2022-46877)

    Mozilla developers Randell Jesup, Valentin Gosu, Olli Pettay, and the Mozilla Fuzzing Team reported memory     safety bugs present in Thunderbird 102.5. 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 < 108, Firefox ESR < 102.6, and Thunderbird < 102.6. (CVE-2022-46878)

    A missing check related to tex units could have led to a use-after-free and potentially exploitable     crash.<br />*Note*: This advisory was added on December 13th, 2022 after we better understood the impact     of the issue. The fix was included in the original release of Firefox 105. This vulnerability affects     Firefox ESR < 102.6, Firefox < 105, and Thunderbird < 102.6. (CVE-2022-46880)

    The Mozilla Foundation Security Advisory describes this flaw as: An optimization in WebGL was incorrect in     some cases, and could have led to memory corruption and a potentially exploitable crash. (CVE-2022-46881)

    The Mozilla Foundation Security Advisory describes this flaw as: A use-after-free in WebGL extensions     could have led to a potentially exploitable crash. (CVE-2022-46882)

    Certificate OCSP revocation status was not checked when verifying S/Mime signatures. Mail signed with a     revoked certificate would be displayed as having a valid signature. Thunderbird versions from 68 to     102.7.0 were affected by this bug. This vulnerability affects Thunderbird < 102.7.1. (CVE-2023-0430)

    The Mozilla Foundation Security Advisory describes this flaw as:

    Due to the Firefox GTK wrapper code's use of text/plain for drag data and GTK treating all text/plain     MIMEs containing file URLs as being dragged a website could arbitrarily read a file via a call to     DataTransfer.setData. (CVE-2023-23598)

    The Mozilla Foundation Security Advisory describes this flaw as:

    When copying a network request from the developer tools panel as a curl command the output was not being     properly sanitized and could allow arbitrary commands to be hidden within. (CVE-2023-23599)

    The Mozilla Foundation Security Advisory describes this flaw as:

    Navigations were being allowed when dragging a URL from a cross-origin iframe into the same tab which     could lead to website spoofing attacks (CVE-2023-23601)

    The Mozilla Foundation Security Advisory describes this flaw as:

    A mishandled security check when creating a WebSocket in a WebWorker caused the Content Security Policy     connect-src header to be ignored. This could lead to connections to restricted origins from inside     WebWorkers. (CVE-2023-23602)

    Regular expressions used to filter out forbidden properties and values from style directives in calls to     console.log weren't accounting for external URLs. Data could then be potentially exfiltrated from the     browser. (CVE-2023-23603)

    The Mozilla Foundation Security Advisory describes this flaw as:

    Mozilla developers and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 108 and     Firefox ESR 102.6. 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. (CVE-2023-23605)

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 remote NewStart CGSL host, running version MAIN 6.02, has firefox packages installed that are affected by multiple vulnerabilities:

  - In Expat (aka libexpat) before 2.4.5, there is an integer overflow in storeRawNames. (CVE-2022-25315)

  - It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox. This     vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5. (CVE-2021-4140)

  - crossbeam-deque is a package of work-stealing deques for building task schedulers when programming in     Rust. In versions prior to 0.7.4 and 0.8.0, the result of the race condition is that one or more tasks in     the worker queue can be popped twice instead of other tasks that are forgotten and never popped. If tasks     are allocated on the heap, this can cause double free and a memory leak. If not, this still can cause a     logical bug. Crates using `Stealer::steal`, `Stealer::steal_batch`, or `Stealer::steal_batch_and_pop` are     affected by this issue. This has been fixed in crossbeam-deque 0.8.1 and 0.7.4. (CVE-2021-32810)

  - Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13. 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 < 78.14, Thunderbird < 78.14,     and Firefox < 92. (CVE-2021-38493)

  - During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in     memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15,     Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38496)

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 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:5046 advisory.

  - Mozilla developers and community members Julian Hector, Randell Jesup, Gabriele Svelto, Tyson Smith,     Christian Holler, and Masayuki Nakano reported memory safety bugs present in Firefox 94. 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 < 95, Firefox ESR < 91.4.0, and     Thunderbird < 91.4.0. (CVE-2021-4129)

  - Thunderbird unexpectedly enabled JavaScript in the composition area. The JavaScript execution context was     limited to this area and did not receive chrome-level privileges, but could be used as a stepping stone to     further an attack with other vulnerabilities. This vulnerability affects Thunderbird < 91.4.0.
    (CVE-2021-43528)

  - Under certain circumstances, asynchronous functions could have caused a navigation to fail but expose the     target URL. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
    (CVE-2021-43536)

  - An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory     leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR <     91.4.0, and Firefox < 95. (CVE-2021-43537)

  - By misusing a race in our notification code, an attacker could have forcefully hidden the notification for     pages that had received full screen and pointer lock access, which could have been used for spoofing     attacks. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
    (CVE-2021-43538)

  - Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC     occurring within the call not tracing those live pointers. This could have led to a use-after-free causing     a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0,     and Firefox < 95. (CVE-2021-43539)

  - When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not     properly escaped. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
    (CVE-2021-43541)

  - Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages     for loading external protocols. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and     Firefox < 95. (CVE-2021-43542)

  - Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by     embedding additional content. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and     Firefox < 95. (CVE-2021-43543)

  - Using the Location API in a loop could have caused severe application hangs and crashes. This     vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43545)

  - It was possible to recreate previous cursor spoofing attacks against users with a zoomed native cursor.
    This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43546)

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

The remote host is affected by the vulnerability described in GLSA-202208-14 (Mozilla Thunderbird: Multiple Vulnerabilities)

  -  Please review the referenced CVE identifiers for details.  (CVE-2021-29967, CVE-2021-29969,     CVE-2021-29970, CVE-2021-29976, CVE-2021-29980, CVE-2021-29984, CVE-2021-29985, CVE-2021-29986,     CVE-2021-29988, CVE-2021-29989, CVE-2021-30547, CVE-2021-38492, CVE-2021-38493, CVE-2021-38495,     CVE-2021-38503, CVE-2021-38504, CVE-2021-38506, CVE-2021-38507, CVE-2021-38508, CVE-2021-38509,     CVE-2021-40529, CVE-2021-4129, CVE-2021-4140, CVE-2021-43528, CVE-2021-43529, CVE-2021-43536,     CVE-2021-43537, CVE-2021-43538, CVE-2021-43539, CVE-2021-43541, CVE-2021-43542, CVE-2021-43543,     CVE-2021-43545, CVE-2021-43546, CVE-2022-0566, CVE-2022-1196, CVE-2022-1197, CVE-2022-1520, CVE-2022-1529,     CVE-2022-1802, CVE-2022-1834, CVE-2022-2200, CVE-2022-2226, CVE-2022-22737, CVE-2022-22738,     CVE-2022-22739, CVE-2022-22740, CVE-2022-22741, CVE-2022-22742, CVE-2022-22743, CVE-2022-22745,     CVE-2022-22747, CVE-2022-22748, CVE-2022-22751, CVE-2022-22754, CVE-2022-22756, CVE-2022-22759,     CVE-2022-22760, CVE-2022-22761, CVE-2022-22763, CVE-2022-22764, CVE-2022-24713, CVE-2022-26381,     CVE-2022-26383, CVE-2022-26384, CVE-2022-26386, CVE-2022-26387, CVE-2022-26485, CVE-2022-26486,     CVE-2022-28281, CVE-2022-28282, CVE-2022-28285, CVE-2022-28286, CVE-2022-28289, CVE-2022-29909,     CVE-2022-29911, CVE-2022-29912, CVE-2022-29913, CVE-2022-29914, CVE-2022-29916, CVE-2022-29917,     CVE-2022-31736, CVE-2022-31737, CVE-2022-31738, CVE-2022-31740, CVE-2022-31741, CVE-2022-31742,     CVE-2022-31747, CVE-2022-34468, CVE-2022-34470, CVE-2022-34472, CVE-2022-34478, CVE-2022-34479,     CVE-2022-34481, CVE-2022-34484, CVE-2022-36318, CVE-2022-36319)

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-2021:5013 advisory.

  - Mozilla developers and community members Julian Hector, Randell Jesup, Gabriele Svelto, Tyson Smith,     Christian Holler, and Masayuki Nakano reported memory safety bugs present in Firefox 94. 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 < 95, Firefox ESR < 91.4.0, and     Thunderbird < 91.4.0. (CVE-2021-4129)

  - Under certain circumstances, asynchronous functions could have caused a navigation to fail but expose the     target URL. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
    (CVE-2021-43536)

  - An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory     leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR <     91.4.0, and Firefox < 95. (CVE-2021-43537)

  - By misusing a race in our notification code, an attacker could have forcefully hidden the notification for     pages that had received full screen and pointer lock access, which could have been used for spoofing     attacks. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
    (CVE-2021-43538)

  - Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC     occurring within the call not tracing those live pointers. This could have led to a use-after-free causing     a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0,     and Firefox < 95. (CVE-2021-43539)

  - When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not     properly escaped. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
    (CVE-2021-43541)

  - Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages     for loading external protocols. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and     Firefox < 95. (CVE-2021-43542)

  - Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by     embedding additional content. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and     Firefox < 95. (CVE-2021-43543)

  - Using the Location API in a loop could have caused severe application hangs and crashes. This     vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43545)

  - It was possible to recreate previous cursor spoofing attacks against users with a zoomed native cursor.
    This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43546)

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 Firefox ESR installed on the remote Windows host is prior to 91.4.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2021-53 advisory.

  - Mozilla developers and community members Julian Hector, Randell Jesup, Gabriele Svelto, Tyson Smith,     Christian Holler, and Masayuki Nakano reported memory safety bugs present in Firefox 94 and Firefox ESR     91.3. 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-2021-4129)

  - Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC     occurring within the call not tracing those live pointers. This could have led to a use-after-free causing     a potentially exploitable crash. (CVE-2021-43539)

  - Under certain circumstances, asynchronous functions could have caused a navigation to fail but expose the     target URL. (CVE-2021-43536)

  - An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory     leading to a potentially exploitable crash. (CVE-2021-43537)

  - By misusing a race in our notification code, an attacker could have forcefully hidden the notification for     pages that had received full screen and pointer lock access, which could have been used for spoofing     attacks. (CVE-2021-43538)

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 Firefox installed on the remote Windows host is prior to 95.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2021-52 advisory.

  - Mozilla developers and community members Julian Hector, Randell Jesup, Gabriele Svelto, Tyson Smith,     Christian Holler, and Masayuki Nakano reported memory safety bugs present in Firefox 94. 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-2021-4129)

  - Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC     occurring within the call not tracing those live pointers. This could have led to a use-after-free causing     a potentially exploitable crash. (CVE-2021-43539)

  - Under certain circumstances, asynchronous functions could have caused a navigation to fail but expose the     target URL. (CVE-2021-43536)

  - An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory     leading to a potentially exploitable crash. (CVE-2021-43537)

  - By misusing a race in our notification code, an attacker could have forcefully hidden the notification for     pages that had received full screen and pointer lock access, which could have been used for spoofing     attacks. (CVE-2021-43538)

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-2021:5013 advisory.

    Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and     portability.

    This update upgrades Firefox to version 91.4.0 ESR.

    Security Fix(es):

    * Mozilla: Memory safety bugs fixed in Firefox 95 and Firefox ESR 91.4

    * Mozilla: URL leakage when navigating while executing asynchronous function (CVE-2021-43536)

    * Mozilla: Heap buffer overflow when using structured clone (CVE-2021-43537)

    * Mozilla: Missing fullscreen and pointer lock notification when requesting both (CVE-2021-43538)

    * Mozilla: GC rooting failure when calling wasm instance methods (CVE-2021-43539)

    * Mozilla: External protocol handler parameters were unescaped (CVE-2021-43541)

    * Mozilla: XMLHttpRequest error codes could have leaked the existence of an external protocol handler     (CVE-2021-43542)

    * Mozilla: Bypass of CSP sandbox directive when embedding (CVE-2021-43543)

    * Mozilla: Denial of Service when using the Location API in a loop (CVE-2021-43545)

    * Mozilla: Cursor spoofing could overlay user interface when native cursor is zoomed (CVE-2021-43546)

    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 Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2021_5045 advisory.

    * Mozilla: Memory safety bugs fixed in Firefox 95 and Firefox ESR 91.4 (BZ#2030116)

    * Mozilla: URL leakage when navigating while executing asynchronous function (CVE-2021-43536)

    * Mozilla: Heap buffer overflow when using structured clone (CVE-2021-43537)

    * Mozilla: Missing fullscreen and pointer lock notification when requesting both (CVE-2021-43538)

    * Mozilla: GC rooting failure when calling wasm instance methods (CVE-2021-43539)

    * Mozilla: External protocol handler parameters were unescaped (CVE-2021-43541)

    * Mozilla: XMLHttpRequest error codes could have leaked the existence of an external protocol handler     (CVE-2021-43542)

    * Mozilla: Bypass of CSP sandbox directive when embedding (CVE-2021-43543)

    * Mozilla: JavaScript unexpectedly enabled for the composition area (CVE-2021-43528)

    * Mozilla: Denial of Service when using the Location API in a loop (CVE-2021-43545)

    * Mozilla: Cursor spoofing could overlay user interface when native cursor is zoomed (CVE-2021-43546)

Tenable has extracted the preceding description block directly from the CIQ 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 Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2021_5013 advisory.

    * Mozilla: Memory safety bugs fixed in Firefox 95 and Firefox ESR 91.4

    * Mozilla: URL leakage when navigating while executing asynchronous function (CVE-2021-43536)

    * Mozilla: Heap buffer overflow when using structured clone (CVE-2021-43537)

    * Mozilla: Missing fullscreen and pointer lock notification when requesting both (CVE-2021-43538)

    * Mozilla: GC rooting failure when calling wasm instance methods (CVE-2021-43539)

    * Mozilla: External protocol handler parameters were unescaped (CVE-2021-43541)

    * Mozilla: XMLHttpRequest error codes could have leaked the existence of an external protocol handler     (CVE-2021-43542)

    * Mozilla: Bypass of CSP sandbox directive when embedding (CVE-2021-43543)

    * Mozilla: Denial of Service when using the Location API in a loop (CVE-2021-43545)

    * Mozilla: Cursor spoofing could overlay user interface when native cursor is zoomed (CVE-2021-43546)

Tenable has extracted the preceding description block directly from the CIQ 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 Ubuntu 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5248-1 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, trick a user into accepting unwanted permissions, conduct header     splitting attacks, conduct spoofing attacks, bypass security restrictions, confuse the user, or execute     arbitrary code. (CVE-2021-4129, CVE-2021-4140, CVE-2021-29981, CVE-2021-29982, CVE-2021-29987,     CVE-2021-29991, CVE-2021-38495, CVE-2021-38496, CVE-2021-38497, CVE-2021-38498, CVE-2021-38500,     CVE-2021-38501, CVE-2021-38503, CVE-2021-38504, CVE-2021-38506, CVE-2021-38507, CVE-2021-38508,     CVE-2021-38509, CVE-2021-43534, CVE-2021-43535, CVE-2021-43536, CVE-2021-43537, CVE-2021-43538,     CVE-2021-43539, CVE-2021-43541, CVE-2021-43542, CVE-2021-43543, CVE-2021-43545, CVE-2021-43656,     CVE-2022-22737, CVE-2022-22738, CVE-2022-22739, CVE-2022-22740, CVE-2022-22741, CVE-2022-22742,     CVE-2022-22743, CVE-2022-22745, CVE-2022-22747, CVE-2022-22748, CVE-2022-22751)

    It was discovered that Thunderbird ignored the configuration to require STARTTLS for an SMTP connection. A     person-in-the-middle could potentially exploit this to perform a downgrade attack in order to intercept     messages or take control of a session. (CVE-2021-38502)

    It was discovered that JavaScript was unexpectedly enabled in the composition area. An attacker could     potentially exploit this in combination with another vulnerability, with unspecified impacts.
    (CVE-2021-43528)

    A buffer overflow was discovered in the Matrix chat library bundled with Thunderbird. An attacker could     potentially exploit this to cause a denial of service, or execute arbitrary code. (CVE-2021-44538)

    It was discovered that Thunderbird's OpenPGP integration only considered the inner signed message when     checking signature validity in a message that contains an additional outer MIME layer. An attacker could     potentially exploit this to trick the user into thinking that a message has a valid signature.
    (CVE-2021-4126)

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.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
155974	RHEL 7 : thunderbird (RHSA-2021:5046)	Nessus	Red Hat Local Security Checks	2021/12/10	2024/11/7	critical
155988	RHEL 8 : thunderbird (RHSA-2021:5045)	Nessus	Red Hat Local Security Checks	2021/12/10	2024/11/7	critical
171818	Amazon Linux 2 : thunderbird (ALAS-2023-1951)	Nessus	Amazon Linux Local Security Checks	2023/2/23	2025/12/19	critical
206859	NewStart CGSL MAIN 6.02 : firefox Multiple Vulnerabilities (NS-SA-2024-0066)	Nessus	NewStart CGSL Local Security Checks	2024/9/10	2025/9/25	critical
208604	CentOS 7 : thunderbird (RHSA-2021:5046)	Nessus	CentOS Local Security Checks	2024/10/9	2024/10/9	critical
163986	GLSA-202208-14 : Mozilla Thunderbird: Multiple Vulnerabilities	Nessus	Gentoo Local Security Checks	2022/8/10	2023/10/16	critical
184541	Rocky Linux 8 : firefox (RLSA-2021:5013)	Nessus	Rocky Linux Local Security Checks	2023/11/6	2023/11/6	critical
155915	Mozilla Firefox ESR < 91.4.0	Nessus	Windows	2021/12/8	2025/11/18	critical
155917	Mozilla Firefox < 95.0	Nessus	Windows	2021/12/8	2025/11/18	critical
155968	RHEL 8 : firefox (RHSA-2021:5013)	Nessus	Red Hat Local Security Checks	2021/12/10	2024/11/7	critical
359020	Rocky Linux 8 [CIQ] Security Update: thunderbird / thunderbird-debuginfo / thunderbird-debugsource Multiple Vulnerabilities (crlsa-2021_5045)	Nessus	Rocky Linux Local Security Checks	2026/10/1	2026/10/1	critical
359136	Rocky Linux 8 [CIQ] Security Update: firefox / firefox-debuginfo / firefox-debugsource Multiple Vulnerabilities (crlsa-2021_5013)	Nessus	Rocky Linux Local Security Checks	2026/10/1	2026/10/1	critical
156961	Ubuntu 18.04 LTS / 20.04 LTS : Thunderbird vulnerabilities (USN-5248-1)	Nessus	Ubuntu Local Security Checks	2022/1/22	2025/3/6	critical

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