The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 128.9. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-22 advisory.

  - Memory safety bugs present in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8. 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-2025-3030)

  - JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-     free. (CVE-2025-3028)

  - A crafted URL containing specific Unicode characters could have hidden the true origin of the page,     resulting in a potential spoofing attack. (CVE-2025-3029)

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 packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-3556 advisory.

    [128.9.0-2.0.1]
    - Fix firefox-oracle-default-prefs.js for new nss [Orabug: 37079773]
    - Add firefox-oracle-default-prefs.js and remove the corresponding Red Hat file

    [128.9.0]
    - Add debranding patches (Mustafa Gezen)
    - Add OpenELA default preferences (Louis Abel)

    [128.9.0-2]
    - Update to 128.9.0 build2

    [128.9.0-1]
    - Update to 128.9.0 build1

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 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-2025:1138-1 advisory.

    - Firefox Extended Support Release 128.9.0 ESR MFSA 2025-22 (bsc#1240083):
      * CVE-2025-3028: Use-after-free triggered by XSLTProcessor
      * CVE-2025-3029: URL Bar Spoofing via non-BMP Unicode characters
      * CVE-2025-3030: Memory safety bugs fixed in Firefox 137, Thunderbird 137,         Firefox ESR 128.9, and Thunderbird 128.9

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 Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:3590 advisory.

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

    Security Fix(es):

    * firefox: thunderbird: URL Bar Spoofing via non-BMP Unicode characters (CVE-2025-3029)

    * firefox: thunderbird: Use-after-free triggered by XSLTProcessor (CVE-2025-3028)

    * firefox: thunderbird: Memory safety bugs fixed in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and     Thunderbird 128.9 (CVE-2025-3030)

    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 macOS or Mac OS X host is prior to 137.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-23 advisory.

  - Memory safety bugs present in Firefox 136 and Thunderbird 136. 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-2025-3034)

  - Memory safety bugs present in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8. 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-2025-3030)

  - JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-     free. (CVE-2025-3028)

  - An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function.
    (CVE-2025-3031)

  - Leaking of file descriptors from the fork server to web content processes could allow for privilege     escalation attacks. (CVE-2025-3032)

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

The remote Fedora 40 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-d48f900812 advisory.

    - Updated to latest upstream (137.0)

Tenable has extracted the preceding description block directly from the Fedora 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 Fedora 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-4e7468921a advisory.

    - Updated to latest upstream (137.0)

Tenable has extracted the preceding description block directly from the Fedora 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 host is affected by the vulnerability described in GLSA-202505-03 (Mozilla Thunderbird: Multiple Vulnerabilities)

    Multiple vulnerabilities have been discovered in Mozilla Thunderbird. Please review the CVE identifiers     referenced below for details.

Tenable has extracted the preceding description block directly from the Gentoo 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 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2025:0582 advisory.

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

    CVE-2025-1937:
    It was possible to cause a use-after-free in the content process side of a WebTransport connection,     leading to a potentially exploitable crash. This vulnerability affects Firefox < 136, Firefox ESR <     115.21, Firefox ESR < 128.8, Thunderbird < 136, and Thunderbird < 128.8.

    CVE-2025-1932:
    Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7. 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 < 136, Firefox ESR <     128.8, Thunderbird < 136, and Thunderbird < 128.8.

    CVE-2025-1930:
    Memory safety bugs present in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8. 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 < 137, Firefox ESR <     128.9, Thunderbird < 137, and Thunderbird < 128.9.

    CVE-2025-4083:
    JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-     free. This vulnerability affects Firefox < 137, Firefox ESR < 115.22, Firefox ESR < 128.9, Thunderbird <     137, and Thunderbird < 128.9.

    CVE-2025-4093:
    On 64-bit CPUs, when the JIT compiles WASM i32 return values they can pick up bits from left over memory.
    This can potentially cause them to be treated as a different type. This vulnerability affects Firefox <     136, Firefox ESR < 115.21, Firefox ESR < 128.8, Thunderbird < 136, and Thunderbird < 128.8.

    CVE-2025-1936:
    On Windows, a compromised content process could use bad StreamData sent over AudioIPC to trigger a use-     after-free in the Browser process. This could have led to a sandbox escape. This vulnerability affects     Firefox < 136, Firefox ESR < 115.21, Firefox ESR < 128.8, Thunderbird < 136, and Thunderbird < 128.8.

    CVE-2025-3030:
    Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 115.20, Firefox ESR 128.7, and     Thunderbird 128.7. 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 <     136, Firefox ESR < 115.21, Firefox ESR < 128.8, Thunderbird < 136, and Thunderbird < 128.8.

    CVE-2025-1938:
    An inconsistent comparator in xslt/txNodeSorter could have resulted in potentially exploitable out-of-     bounds access. Only affected version 122 and later. This vulnerability affects Firefox < 136, Firefox ESR     < 128.8, Thunderbird < 136, and Thunderbird < 128.8.

    CVE-2025-2817:
    A process isolation vulnerability in Firefox stemmed from improper handling of javascript: URIs, which     could allow content to execute in the top-level document's process instead of the intended frame,     potentially enabling a sandbox escape. This vulnerability affects Firefox < 138, Firefox ESR < 128.10,     Firefox ESR < 115.23, Thunderbird < 138, and Thunderbird ESR < 128.10.

    CVE-2025-1933:
    Memory safety bug present in Firefox ESR 128.9, and Thunderbird 128.9. This bug showed evidence of memory     corruption and we presume that with enough effort this could have been exploited to run arbitrary code.
    This vulnerability affects Firefox ESR < 128.10 and Thunderbird < 128.10.

    CVE-2025-1935:
    Thunderbird's update mechanism allowed a medium-integrity user process to interfere with the SYSTEM-level     updater by manipulating the file-locking behavior. By injecting code into the user-privileged process, an     attacker could bypass intended access controls, allowing SYSTEM-level file operations on paths controlled     by a non-privileged user and enabling privilege escalation. This vulnerability affects Firefox < 138,     Firefox ESR < 128.10, Firefox ESR < 115.23, Thunderbird < 138, and Thunderbird < 128.10.

    CVE-2025-3028:
    It was possible to interrupt the processing of a RegExp bailout and run additional JavaScript, potentially     triggering garbage collection when the engine was not expecting it. This vulnerability affects Firefox <     136, Firefox ESR < 128.8, Thunderbird < 136, and Thunderbird < 128.8.

    CVE-2025-3029:
    A web page could trick a user into setting that site as the default handler for a custom URL protocol.
    This vulnerability affects Firefox < 136, Firefox ESR < 128.8, Thunderbird < 136, and Thunderbird < 128.8.

    CVE-2025-1931:
    jar: URLs retrieve local file content packaged in a ZIP archive. The null and everything after it was     ignored when retrieving the content from the archive, but the fake extension after the null was used to     determine the type of content. This could have been used to hide code in a web extension disguised as     something else like an image. This vulnerability affects Firefox < 136, Firefox ESR < 128.8, Thunderbird <     136, and Thunderbird < 128.8.

    CVE-2025-1934:
    A crafted URL containing specific Unicode characters could have hidden the true origin of the page,     resulting in a potential spoofing attack. This vulnerability affects Firefox < 137, Firefox ESR < 128.9,     Thunderbird < 137, and Thunderbird < 128.9.

    CVE-2025-4091:
    Memory safety bugs present in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9. 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 < 138, Firefox ESR <     128.10, Thunderbird < 138, and Thunderbird ESR < 128.10.

    CVE-2025-4087:
    A vulnerability was identified in Firefox where XPath parsing could trigger undefined behavior due to     missing null checks during attribute access. This could lead to out-of-bounds read access and potentially,     memory corruption. This vulnerability affects Firefox < 138, Firefox ESR < 128.10, Thunderbird < 138, and     Thunderbird ESR < 128.10.

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 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-2025:0395 advisory.

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

    CVE-2025-4093:
    Memory safety bug present in Firefox ESR 128.9, and Thunderbird 128.9. This bug showed evidence of memory     corruption and we presume that with enough effort this could have been exploited to run arbitrary code.
    This vulnerability affects Firefox ESR < 128.10 and Thunderbird < 128.10.

    CVE-2025-4091:
    Memory safety bugs present in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9. 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 < 138, Firefox ESR <     128.10, Thunderbird < 138, and Thunderbird ESR < 128.10.

    CVE-2025-4087:
    A vulnerability was identified in Firefox where XPath parsing could trigger undefined behavior due to     missing null checks during attribute access. This could lead to out-of-bounds read access and potentially,     memory corruption. This vulnerability affects Firefox < 138, Firefox ESR < 128.10, Thunderbird < 138, and     Thunderbird ESR < 128.10.

    CVE-2025-4083:
    A process isolation vulnerability in Firefox stemmed from improper handling of javascript: URIs, which     could allow content to execute in the top-level document's process instead of the intended frame,     potentially enabling a sandbox escape. This vulnerability affects Firefox < 138, Firefox ESR < 128.10,     Firefox ESR < 115.23, Thunderbird < 138, and Thunderbird ESR < 128.10.

    CVE-2025-3932:
    It was possible to craft an email that showed a tracking link as an attachment. If the user attempted to     open the attachment, Thunderbird automatically accessed the link. The configuration to block remote     content did not prevent that. Thunderbird has been fixed to no longer allow access to web pages listed in     the X-Mozilla-External-Attachment-URL header of an email. This vulnerability affects Thunderbird <     128.10.1 and Thunderbird < 138.0.1.

    CVE-2025-3909:
    Thunderbird's handling of the X-Mozilla-External-Attachment-URL header can be exploited to execute     JavaScript in the file:/// context. By crafting a nested email attachment (message/rfc822) and setting its     content type to application/pdf, Thunderbird may incorrectly render it as HTML when opened, allowing the     embedded JavaScript to run without requiring a file download. This behavior relies on Thunderbird auto-     saving the attachment to /tmp and linking to it via the file:/// protocol, potentially enabling JavaScript     execution as part of the HTML. This vulnerability affects Thunderbird < 128.10.1 and Thunderbird <     138.0.1.

    CVE-2025-3877:
    A crafted HTML email using mailbox:/// links can trigger automatic, unsolicited downloads of .pdf files to     the user's desktop or home directory without prompting, even if auto-saving is disabled. This behavior can     be abused to fill the disk with garbage data (e.g. using /dev/urandom on Linux) or to leak Windows     credentials via SMB links when the email is viewed in HTML mode. While user interaction is required to     download the .pdf file, visual obfuscation can conceal the download trigger. Viewing the email in HTML     mode is enough to load external content. This vulnerability affects Thunderbird < 128.10.1 and Thunderbird     < 138.0.1.

    CVE-2025-3875:
    Thunderbird parses addresses in a way that can allow sender spoofing in case the server allows an invalid     From address to be used. For example, if the From header contains an (invalid) value Spoofed Name  ,     Thunderbird treats spoofed@example.com as the actual address. This vulnerability affects Thunderbird <     128.10.1 and Thunderbird < 138.0.1.

    CVE-2025-3523:
    When an email contains multiple attachments with external links via the X-Mozilla-External-Attachment-URL     header, only the last link is shown when hovering over any attachment. Although the correct link is used     on click, the misleading hover text could trick users into downloading content from untrusted sources.
    This vulnerability affects Thunderbird < 137.0.2 and Thunderbird < 128.9.2.

    CVE-2025-3030:
    Memory safety bugs present in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8. 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 < 137, Firefox ESR <     128.9, Thunderbird < 137, and Thunderbird < 128.9.

    CVE-2025-3029:
    A crafted URL containing specific Unicode characters could have hidden the true origin of the page,     resulting in a potential spoofing attack. This vulnerability affects Firefox < 137, Firefox ESR < 128.9,     Thunderbird < 137, and Thunderbird < 128.9.

    CVE-2025-3028:
    JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-     free. This vulnerability affects Firefox < 137, Firefox ESR < 115.22, Firefox ESR < 128.9, Thunderbird <     137, and Thunderbird < 128.9.

    CVE-2025-2830:
    By crafting a malformed file name for an attachment in a multipart message, an attacker can trick     Thunderbird into including a directory listing of /tmp when the message is forwarded or edited as a new     message. This vulnerability could allow attackers to disclose sensitive information from the victim's     system. This vulnerability is not limited to Linux; similar behavior has been observed on Windows as well.
    This vulnerability affects Thunderbird < 137.0.2 and Thunderbird < 128.9.2.

    CVE-2025-2817:
    Thunderbird's update mechanism allowed a medium-integrity user process to interfere with the SYSTEM-level     updater by manipulating the file-locking behavior. By injecting code into the user-privileged process, an     attacker could bypass intended access controls, allowing SYSTEM-level file operations on paths controlled     by a non-privileged user and enabling privilege escalation. This vulnerability affects Firefox < 138,     Firefox ESR < 128.10, Firefox ESR < 115.23, Thunderbird < 138, and Thunderbird < 128.10.

    CVE-2025-27363:
    An out of bounds write exists in FreeType versions 2.13.0 and below (newer versions of FreeType are not     vulnerable) when attempting to parse font subglyph structures related to TrueType GX and variable font     files. The vulnerable code assigns a signed short value to an unsigned long and then adds a static value     causing it to wrap around and allocate too small of a heap buffer. The code then writes up to 6 signed     long integers out of bounds relative to this buffer. This may result in arbitrary code execution. This     vulnerability may have been exploited in the wild.

    CVE-2025-26696:
    Certain crafted MIME email messages that claimed to contain an encrypted OpenPGP message, which instead     contained an OpenPGP signed message, were wrongly shown as being encrypted. This vulnerability affects     Thunderbird < 136 and Thunderbird < 128.8.

    CVE-2025-26695:
    When requesting an OpenPGP key from a WKD server, an incorrect padding size was used and a network     observer could have learned the length of the requested email address. This vulnerability affects     Thunderbird < 136 and Thunderbird < 128.8.

    CVE-2025-1938:
    Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7. 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 < 136, Firefox ESR <     128.8, Thunderbird < 136, and Thunderbird < 128.8.

    CVE-2025-1937:
    Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 115.20, Firefox ESR 128.7, and     Thunderbird 128.7. 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 <     136, Firefox ESR < 115.21, Firefox ESR < 128.8, Thunderbird < 136, and Thunderbird < 128.8.

    CVE-2025-1936:
    jar: URLs retrieve local file content packaged in a ZIP archive. The null and everything after it was     ignored when retrieving the content from the archive, but the fake extension after the null was used to     determine the type of content. This could have been used to hide code in a web extension disguised as     something else like an image. This vulnerability affects Firefox < 136, Firefox ESR < 128.8, Thunderbird <     136, and Thunderbird < 128.8.

    CVE-2025-1935:
    A web page could trick a user into setting that site as the default handler for a custom URL protocol.
    This vulnerability affects Firefox < 136, Firefox ESR < 128.8, Thunderbird < 136, and Thunderbird < 128.8.

    CVE-2025-1934:
    It was possible to interrupt the processing of a RegExp bailout and run additional JavaScript, potentially     triggering garbage collection when the engine was not expecting it. This vulnerability affects Firefox <     136, Firefox ESR < 128.8, Thunderbird < 136, and Thunderbird < 128.8.

    CVE-2025-1933:
    On 64-bit CPUs, when the JIT compiles WASM i32 return values they can pick up bits from left over memory.
    This can potentially cause them to be treated as a different type. This vulnerability affects Firefox <     136, Firefox ESR < 115.21, Firefox ESR < 128.8, Thunderbird < 136, and Thunderbird < 128.8.

    CVE-2025-1932:
    An inconsistent comparator in xslt/txNodeSorter could have resulted in potentially exploitable out-of-     bounds access. Only affected version 122 and later. This vulnerability affects Firefox < 136, Firefox ESR     < 128.8, Thunderbird < 136, and Thunderbird < 128.8.

    CVE-2025-1931:
    It was possible to cause a use-after-free in the content process side of a WebTransport connection,     leading to a potentially exploitable crash. This vulnerability affects Firefox < 136, Firefox ESR <     115.21, Firefox ESR < 128.8, Thunderbird < 136, and Thunderbird < 128.8.

    CVE-2025-1930:
    On Windows, a compromised content process could use bad StreamData sent over AudioIPC to trigger a use-     after-free in the Browser process. This could have led to a sandbox escape. This vulnerability affects     Firefox < 136, Firefox ESR < 115.21, Firefox ESR < 128.8, Thunderbird < 136, and Thunderbird < 128.8.

    CVE-2024-8176:
    A stack overflow vulnerability exists in the libexpat library due to the way it handles recursive entity     expansion in XML documents. When parsing an XML document with deeply nested entity references, libexpat     can be forced to recurse indefinitely, exhausting the stack space and causing a crash. This issue could     lead to denial of service (DoS) or, in some cases, exploitable memory corruption, depending on the     environment and library usage.

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.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
233650	Mozilla Firefox ESR < 128.9	Nessus	MacOS X Local Security Checks	2025/4/1	2025/11/18	high
233820	Oracle Linux 9 : firefox (ELSA-2025-3556)	Nessus	Oracle Linux Local Security Checks	2025/4/3	2025/9/11	high
233832	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : MozillaFirefox (SUSE-SU-2025:1138-1)	Nessus	SuSE Local Security Checks	2025/4/4	2025/5/5	high
233906	RHEL 9 : firefox (RHSA-2025:3590)	Nessus	Red Hat Local Security Checks	2025/4/5	2025/6/5	high
233648	Mozilla Thunderbird < 137.0	Nessus	MacOS X Local Security Checks	2025/4/1	2025/11/18	high
233808	Fedora 40 : firefox (2025-d48f900812)	Nessus	Fedora Local Security Checks	2025/4/3	2026/1/21	high
238464	Fedora 42 : firefox (2025-4e7468921a)	Nessus	Fedora Local Security Checks	2025/6/14	2025/6/14	high
235704	GLSA-202505-03 : Mozilla Thunderbird: Multiple Vulnerabilities	Nessus	Gentoo Local Security Checks	2025/5/12	2025/5/12	medium
275958	TencentOS Server 4: firefox (TSSA-2025:0582)	Nessus	Tencent Local Security Checks	2025/11/20	2025/11/20	critical
276432	TencentOS Server 4: thunderbird (TSSA-2025:0395)	Nessus	Tencent Local Security Checks	2025/11/20	2025/12/4	high

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