Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 146, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.

alma_linux ALSA-2025:23128: ALSA-2025:23128: firefox security update (High)

alma_linux ALSA-2025:23034: ALSA-2025:23034: firefox security update (High)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2025:23128 advisory.

    * firefox: Memory safety bugs fixed in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and     Thunderbird 146 (CVE-2025-14333)

    * firefox: Use-after-free in the WebRTC: Signaling component (CVE-2025-14321)

    * firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2025-14325)

    * firefox: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component     (CVE-2025-14322)

    * firefox: Privilege escalation in the Netmonitor component (CVE-2025-14328)

    * firefox: Privilege escalation in the Netmonitor component (CVE-2025-14329)

    * firefox: Same-origin policy bypass in the Request Handling component (CVE-2025-14331)

    * firefox: Privilege escalation in the DOM: Notifications component (CVE-2025-14323)

    * firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2025-14330)

    * firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2025-14324)

Tenable has extracted the preceding description block directly from the RockyLinux 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 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2025-23128 advisory.

    [140.6.0-1.0.1]
    - Fix firefox-oracle-default-prefs.js for new nss [Orabug: 37079789]

    [140.6.0]
    - Add debranding patches (Mustafa Gezen)
    - Add OpenELA default preferences (Louis Abel)

    [140.6.0-1]
    - Update to 140.6.0 ESR

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 version of mozilla-thunderbird installed on the remote host is prior to 140.6.0esr. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2025-345-01 advisory.

    New mozilla-thunderbird packages are available for Slackware 15.0 and -current to fix security issues.

Tenable has extracted the preceding description block directly from the mozilla-thunderbird 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 FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the b06e1b9a-d6a8-11f0-8e1b-b42e991fc52e advisory.

    https://bugzilla.mozilla.org/show_bug.cgi?id=1997018 reports:
    Privilege escalation in the Netmonitor component.

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

Note that Nessus has not tested for this issue 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-2025:23128 advisory.

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

    Security Fix(es):

    * firefox: Memory safety bugs fixed in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and     Thunderbird 146 (CVE-2025-14333)

    * firefox: Use-after-free in the WebRTC: Signaling component (CVE-2025-14321)

    * firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2025-14325)

    * firefox: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component     (CVE-2025-14322)

    * firefox: Privilege escalation in the Netmonitor component (CVE-2025-14328)

    * firefox: Privilege escalation in the Netmonitor component (CVE-2025-14329)

    * firefox: Same-origin policy bypass in the Request Handling component (CVE-2025-14331)

    * firefox: Privilege escalation in the DOM: Notifications component (CVE-2025-14323)

    * firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2025-14330)

    * firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2025-14324)

    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 Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4401 advisory.

    - -------------------------------------------------------------------------     Debian LTS Advisory DLA-4401-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/               Emilio Pozuelo Monfort     December 11, 2025                             https://wiki.debian.org/LTS
    - -------------------------------------------------------------------------

    Package        : firefox-esr     Version        : 140.6.0esr-1~deb11u1     CVE ID         : CVE-2025-14321 CVE-2025-14322 CVE-2025-14323 CVE-2025-14324                      CVE-2025-14325 CVE-2025-14328 CVE-2025-14329 CVE-2025-14330                      CVE-2025-14331 CVE-2025-14333

    Multiple security issues have been found in the Mozilla Firefox web     browser, which could potentially result in the execution of arbitrary     code, sandbox escape, same-origin policy bypass or privilege escalation.

    For Debian 11 bullseye, these problems have been fixed in version     140.6.0esr-1~deb11u1.

    We recommend that you upgrade your firefox-esr packages.

    For the detailed security status of firefox-esr please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/firefox-esr

    Further information about Debian LTS security advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://wiki.debian.org/LTS

Tenable has extracted the preceding description block directly from the Debian 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 RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2025:23035 advisory.

    * firefox: Memory safety bugs fixed in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and     Thunderbird 146 (CVE-2025-14333)

    * firefox: Use-after-free in the WebRTC: Signaling component (CVE-2025-14321)

    * firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2025-14325)

    * firefox: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component     (CVE-2025-14322)

    * firefox: Privilege escalation in the Netmonitor component (CVE-2025-14328)

    * firefox: Privilege escalation in the Netmonitor component (CVE-2025-14329)

    * firefox: Same-origin policy bypass in the Request Handling component (CVE-2025-14331)

    * firefox: Privilege escalation in the DOM: Notifications component (CVE-2025-14323)

    * firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2025-14330)

    * firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2025-14324)

Tenable has extracted the preceding description block directly from the RockyLinux 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 RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2025:23034 advisory.

    * firefox: Memory safety bugs fixed in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and     Thunderbird 146 (CVE-2025-14333)

    * firefox: Use-after-free in the WebRTC: Signaling component (CVE-2025-14321)

    * firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2025-14325)

    * firefox: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component     (CVE-2025-14322)

    * firefox: Privilege escalation in the Netmonitor component (CVE-2025-14328)

    * firefox: Privilege escalation in the Netmonitor component (CVE-2025-14329)

    * firefox: Same-origin policy bypass in the Request Handling component (CVE-2025-14331)

    * firefox: Privilege escalation in the DOM: Notifications component (CVE-2025-14323)

    * firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2025-14330)

    * firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2025-14324)

Tenable has extracted the preceding description block directly from the RockyLinux 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 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2025-23035 advisory.

    [140.6.0-1.0.1]
    - Fix firefox-oracle-default-prefs.js for new nss [Orabug: 37079773]
    - Add firefox-oracle-default-prefs.js and remove the corresponding Red Hat file

    [140.6.0-1]
    - Update to 140.6.0 ESR

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 Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-23034 advisory.

    [140.6.0-1.0.1]
    - Fix firefox-oracle-default-prefs.js for new nss [Orabug: 37079773]
    - Add firefox-oracle-default-prefs.js and remove the corresponding Red Hat file

    [140.6.0]
    - Add debranding patches (Mustafa Gezen)
    - Add OpenELA default preferences (Louis Abel)

    [140.6.0-1]
    - Update to 140.6.0 ESR

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 Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:23034 advisory.

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

    Security Fix(es):

    * firefox: Memory safety bugs fixed in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and     Thunderbird 146 (CVE-2025-14333)

    * firefox: Use-after-free in the WebRTC: Signaling component (CVE-2025-14321)

    * firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2025-14325)

    * firefox: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component     (CVE-2025-14322)

    * firefox: Privilege escalation in the Netmonitor component (CVE-2025-14328)

    * firefox: Privilege escalation in the Netmonitor component (CVE-2025-14329)

    * firefox: Same-origin policy bypass in the Request Handling component (CVE-2025-14331)

    * firefox: Privilege escalation in the DOM: Notifications component (CVE-2025-14323)

    * firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2025-14330)

    * firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2025-14324)

    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 Debian 12 / 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6078 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6078-1                   security@debian.org     https://www.debian.org/security/                       Moritz Muehlenhoff     December 10, 2025                     https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : firefox-esr     CVE ID         : CVE-2025-14321 CVE-2025-14322 CVE-2025-14323 CVE-2025-14324                      CVE-2025-14325 CVE-2025-14328 CVE-2025-14329 CVE-2025-14330                      CVE-2025-14331 CVE-2025-14333

    Multiple security issues have been found in the Mozilla Firefox web     browser, which could potentially result in the execution of arbitrary     code, sandbox escape, same-origin policy bypass or privilege escalation.

    For the oldstable distribution (bookworm), these problems have been fixed     in version 140.6.0esr-1~deb12u1.

    For the stable distribution (trixie), these problems have been fixed in     version 140.6.0esr-1~deb13u1.

    We recommend that you upgrade your firefox-esr packages.

    For the detailed security status of firefox-esr please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/firefox-esr

    Further information about Debian Security Advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://www.debian.org/security/

    Mailing list: debian-security-announce@lists.debian.org

Tenable has extracted the preceding description block directly from the Debian 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 146.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-95 advisory.

  - Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 146, Firefox ESR <     140.6, Thunderbird < 146, and Thunderbird < 140.6. (CVE-2025-14328, CVE-2025-14329)

  - Use-after-free in the WebRTC: Signaling component. This vulnerability affects Firefox < 146, Firefox ESR <     140.6, Thunderbird < 146, and Thunderbird < 140.6. (CVE-2025-14321)

  - Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This     vulnerability affects Firefox < 146, Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and     Thunderbird < 140.6. (CVE-2025-14322)

  - Privilege escalation in the DOM: Notifications component. This vulnerability affects Firefox < 146,     Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6. (CVE-2025-14323)

  - JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 146,     Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6. (CVE-2025-14324)

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 Windows host is prior to 140.6. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-96 advisory.

  - Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 146, Firefox ESR <     140.6, Thunderbird < 146, and Thunderbird < 140.6. (CVE-2025-14328, CVE-2025-14329)

  - Use-after-free in the WebRTC: Signaling component. This vulnerability affects Firefox < 146, Firefox ESR <     140.6, Thunderbird < 146, and Thunderbird < 140.6. (CVE-2025-14321)

  - Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This     vulnerability affects Firefox < 146, Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and     Thunderbird < 140.6. (CVE-2025-14322)

  - Privilege escalation in the DOM: Notifications component. This vulnerability affects Firefox < 146,     Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6. (CVE-2025-14323)

  - JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 146,     Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6. (CVE-2025-14324)

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 Windows host is prior to 146.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-95 advisory.

  - Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 146, Firefox ESR <     140.6, Thunderbird < 146, and Thunderbird < 140.6. (CVE-2025-14328, CVE-2025-14329)

  - Use-after-free in the WebRTC: Signaling component. This vulnerability affects Firefox < 146, Firefox ESR <     140.6, Thunderbird < 146, and Thunderbird < 140.6. (CVE-2025-14321)

  - Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This     vulnerability affects Firefox < 146, Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and     Thunderbird < 140.6. (CVE-2025-14322)

  - Privilege escalation in the DOM: Notifications component. This vulnerability affects Firefox < 146,     Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6. (CVE-2025-14323)

  - JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 146,     Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6. (CVE-2025-14324)

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 140.6. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-96 advisory.

  - Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 146, Firefox ESR <     140.6, Thunderbird < 146, and Thunderbird < 140.6. (CVE-2025-14328, CVE-2025-14329)

  - Use-after-free in the WebRTC: Signaling component. This vulnerability affects Firefox < 146, Firefox ESR <     140.6, Thunderbird < 146, and Thunderbird < 140.6. (CVE-2025-14321)

  - Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This     vulnerability affects Firefox < 146, Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and     Thunderbird < 140.6. (CVE-2025-14322)

  - Privilege escalation in the DOM: Notifications component. This vulnerability affects Firefox < 146,     Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6. (CVE-2025-14323)

  - JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 146,     Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6. (CVE-2025-14324)

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 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:23035 advisory.

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

    Security Fix(es):

    * firefox: Memory safety bugs fixed in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and     Thunderbird 146 (CVE-2025-14333)

    * firefox: Use-after-free in the WebRTC: Signaling component (CVE-2025-14321)

    * firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2025-14325)

    * firefox: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component     (CVE-2025-14322)

    * firefox: Privilege escalation in the Netmonitor component (CVE-2025-14328)

    * firefox: Privilege escalation in the Netmonitor component (CVE-2025-14329)

    * firefox: Same-origin policy bypass in the Request Handling component (CVE-2025-14331)

    * firefox: Privilege escalation in the DOM: Notifications component (CVE-2025-14323)

    * firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2025-14330)

    * firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2025-14324)

    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 mozilla-firefox installed on the remote host is prior to 140.6.0esr. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2025-343-01 advisory.

    New mozilla-firefox packages are available for Slackware 15.0 and -current to fix security issues.

Tenable has extracted the preceding description block directly from the mozilla-firefox 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 Firefox ESR installed on the remote Windows host is prior to 140.6. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-94 advisory.

  - Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 146 and Firefox ESR     < 140.6. (CVE-2025-14328, CVE-2025-14329)

  - Use-after-free in the WebRTC: Signaling component. This vulnerability affects Firefox < 146 and Firefox     ESR < 140.6. (CVE-2025-14321)

  - Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This     vulnerability affects Firefox < 146, Firefox ESR < 115.31, and Firefox ESR < 140.6. (CVE-2025-14322)

  - Privilege escalation in the DOM: Notifications component. This vulnerability affects Firefox < 146,     Firefox ESR < 115.31, and Firefox ESR < 140.6. (CVE-2025-14323)

  - JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 146,     Firefox ESR < 115.31, and Firefox ESR < 140.6. (CVE-2025-14324)

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 macOS or Mac OS X host is prior to 140.6. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-94 advisory.

  - Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 146 and Firefox ESR     < 140.6. (CVE-2025-14328, CVE-2025-14329)

  - Use-after-free in the WebRTC: Signaling component. This vulnerability affects Firefox < 146 and Firefox     ESR < 140.6. (CVE-2025-14321)

  - Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This     vulnerability affects Firefox < 146, Firefox ESR < 115.31, and Firefox ESR < 140.6. (CVE-2025-14322)

  - Privilege escalation in the DOM: Notifications component. This vulnerability affects Firefox < 146,     Firefox ESR < 115.31, and Firefox ESR < 140.6. (CVE-2025-14323)

  - JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 146,     Firefox ESR < 115.31, and Firefox ESR < 140.6. (CVE-2025-14324)

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 macOS or Mac OS X host is prior to 146.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-92 advisory.

  - Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 146 and Firefox ESR     < 140.6. (CVE-2025-14328, CVE-2025-14329)

  - Use-after-free in the WebRTC: Signaling component. This vulnerability affects Firefox < 146 and Firefox     ESR < 140.6. (CVE-2025-14321)

  - Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This     vulnerability affects Firefox < 146, Firefox ESR < 115.31, and Firefox ESR < 140.6. (CVE-2025-14322)

  - Privilege escalation in the DOM: Notifications component. This vulnerability affects Firefox < 146,     Firefox ESR < 115.31, and Firefox ESR < 140.6. (CVE-2025-14323)

  - JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 146,     Firefox ESR < 115.31, and Firefox ESR < 140.6. (CVE-2025-14324)

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 146.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-92 advisory.

  - Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 146 and Firefox ESR     < 140.6. (CVE-2025-14328, CVE-2025-14329)

  - Use-after-free in the WebRTC: Signaling component. This vulnerability affects Firefox < 146 and Firefox     ESR < 140.6. (CVE-2025-14321)

  - Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This     vulnerability affects Firefox < 146, Firefox ESR < 115.31, and Firefox ESR < 140.6. (CVE-2025-14322)

  - Privilege escalation in the DOM: Notifications component. This vulnerability affects Firefox < 146,     Firefox ESR < 115.31, and Firefox ESR < 140.6. (CVE-2025-14323)

  - JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 146,     Firefox ESR < 115.31, and Firefox ESR < 140.6. (CVE-2025-14324)

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

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 146, Firefox ESR <     140.6, Thunderbird < 146, and Thunderbird < 140.6. (CVE-2025-14329)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Severity
278520	RockyLinux 8 : firefox (RLSA-2025:23128)	Nessus	Rocky Linux Local Security Checks	critical
278409	Oracle Linux 8 : firefox (ELSA-2025-23128)	Nessus	Oracle Linux Local Security Checks	critical
278406	Slackware Linux 15.0 / current mozilla-thunderbird Multiple Vulnerabilities (SSA:2025-345-01)	Nessus	Slackware Local Security Checks	critical
278366	FreeBSD : Mozilla -- Privilege escalation (b06e1b9a-d6a8-11f0-8e1b-b42e991fc52e)	Nessus	FreeBSD Local Security Checks	high
278345	RHEL 8 : firefox (RHSA-2025:23128)	Nessus	Red Hat Local Security Checks	critical
278301	Debian dla-4401 : firefox-esr - security update	Nessus	Debian Local Security Checks	critical
278297	RockyLinux 10 : firefox (RLSA-2025:23035)	Nessus	Rocky Linux Local Security Checks	critical
278295	RockyLinux 9 : firefox (RLSA-2025:23034)	Nessus	Rocky Linux Local Security Checks	critical
278155	Oracle Linux 10 : firefox (ELSA-2025-23035)	Nessus	Oracle Linux Local Security Checks	critical
278151	Oracle Linux 9 : firefox (ELSA-2025-23034)	Nessus	Oracle Linux Local Security Checks	critical
278145	RHEL 9 : firefox (RHSA-2025:23034)	Nessus	Red Hat Local Security Checks	critical
278139	Debian dsa-6078 : firefox-esr - security update	Nessus	Debian Local Security Checks	critical
278137	Mozilla Thunderbird < 146.0	Nessus	MacOS X Local Security Checks	high
278136	Mozilla Thunderbird < 140.6	Nessus	Windows	high
278135	Mozilla Thunderbird < 146.0	Nessus	Windows	high
278134	Mozilla Thunderbird < 140.6	Nessus	MacOS X Local Security Checks	high
278115	RHEL 10 : firefox (RHSA-2025:23035)	Nessus	Red Hat Local Security Checks	high
278025	Slackware Linux 15.0 / current mozilla-firefox Multiple Vulnerabilities (SSA:2025-343-01)	Nessus	Slackware Local Security Checks	high
277976	Mozilla Firefox ESR < 140.6	Nessus	Windows	high
277975	Mozilla Firefox ESR < 140.6	Nessus	MacOS X Local Security Checks	high
277973	Mozilla Firefox < 146.0	Nessus	MacOS X Local Security Checks	high
277971	Mozilla Firefox < 146.0	Nessus	Windows	high
277967	Linux Distros Unpatched Vulnerability : CVE-2025-14329	Nessus	Misc.	high

Detections

Analytics

CVE-2025-14329

high

Tenable Plugins

Coming Soon

critical

critical

critical

high

critical

critical

critical

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critical

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critical

high

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