The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-101157 advisory.

    Same-origin policy bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 151,     Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

Tenable has extracted the preceding description block directly from the Unity Linux 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 Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-21378 advisory.

    [140.12.0-1.0.1]
    - Fix firefox-oracle-default-prefs.js for new nss [Orabug: 37079773]
    - Add firefox-oracle-default-prefs.js and remove the corresponding Red Hat file

    [140.12.0]
    - Add debranding patches (Mustafa Gezen)
    - Add OpenELA default preferences (Louis Abel)

    [140.12.0-1]
    - Update to 140.12.0 ESR

    [140.11.0-1]
    - Update to 140.11.0 ESR

    [140.10.2-1]
    - Update to 140.10.2 ESR

    [140.10.1-1]
    - Update to 140.10.1 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 RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:21381 advisory.

    * firefox: Incorrect boundary conditions in the JavaScript Engine: JIT component (CVE-2026-8388)

    * firefox: Other issue in the JavaScript Engine component (CVE-2026-8391)

    * firefox: Sandbox escape in the Profile Backup component (CVE-2026-8401)

    * firefox: Integer overflow in the Networking: JAR component (CVE-2026-8956)

    * firefox: Memory safety bugs fixed in Firefox ESR 115.36, Firefox ESR 140.11 and Firefox 151     (CVE-2026-8975)

    * firefox: Privilege escalation in the DOM: Workers component (CVE-2026-8955)

    * firefox: Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs component     (CVE-2026-8968)

    * firefox: Incorrect boundary conditions, integer overflow in the Audio/Video component (CVE-2026-8954)

    * firefox: Information disclosure, sandbox escape in the Security: Process Sandboxing component     (CVE-2026-8958)

    * firefox: Incorrect boundary conditions in the Audio/Video: Web Codecs component (CVE-2026-8946)

    * firefox: Privilege escalation in the Security component (CVE-2026-8970)

    * firefox: Same-origin policy bypass in the Networking: HTTP component (CVE-2026-8950)

    * firefox: Memory safety bugs fixed in Firefox ESR 140.11 and Firefox 151 (CVE-2026-8974)

    * firefox: Sandbox escape due to use-after-free in the Disability Access APIs component (CVE-2026-8953)

    * firefox: Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component     (CVE-2026-8959)

    * firefox: Spoofing issue in the Form Autofill component (CVE-2026-8961)

    * firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-8947)

    * firefox: Mitigation bypass in the DOM: Security component (CVE-2026-8962)

    * firefox: Privilege escalation in the Enterprise Policies component (CVE-2026-8957)

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-2026:21378 advisory.

    * firefox: Incorrect boundary conditions in the JavaScript Engine: JIT component (CVE-2026-8388)

    * firefox: Other issue in the JavaScript Engine component (CVE-2026-8391)

    * firefox: Sandbox escape in the Profile Backup component (CVE-2026-8401)

    * firefox: Integer overflow in the Networking: JAR component (CVE-2026-8956)

    * firefox: Memory safety bugs fixed in Firefox ESR 115.36, Firefox ESR 140.11 and Firefox 151     (CVE-2026-8975)

    * firefox: Privilege escalation in the DOM: Workers component (CVE-2026-8955)

    * firefox: Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs component     (CVE-2026-8968)

    * firefox: Incorrect boundary conditions, integer overflow in the Audio/Video component (CVE-2026-8954)

    * firefox: Information disclosure, sandbox escape in the Security: Process Sandboxing component     (CVE-2026-8958)

    * firefox: Incorrect boundary conditions in the Audio/Video: Web Codecs component (CVE-2026-8946)

    * firefox: Privilege escalation in the Security component (CVE-2026-8970)

    * firefox: Same-origin policy bypass in the Networking: HTTP component (CVE-2026-8950)

    * firefox: Memory safety bugs fixed in Firefox ESR 140.11 and Firefox 151 (CVE-2026-8974)

    * firefox: Sandbox escape due to use-after-free in the Disability Access APIs component (CVE-2026-8953)

    * firefox: Spoofing issue in the Form Autofill component (CVE-2026-8961)

    * firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-8947)

    * firefox: Mitigation bypass in the DOM: Security component (CVE-2026-8962)

    * firefox: Privilege escalation in the Enterprise Policies component (CVE-2026-8957)

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 SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2109-1 advisory.

    This update for MozillaFirefox fixes the following issues

    Update to Firefox Extended Support Release 140.11.0 ESR MFSA 2026-41, MFSA 2026-48 (bsc#1265212,     bsc#1264378):

    - CVE-2026-8090: Use-after-free in the DOM: Networking component.
    - CVE-2026-8092: Memory safety bugs fixed in Firefox ESR 115.35.2, Firefox ESR 140.10.2 and Firefox     150.0.2.
    - CVE-2026-8094: Other issue in the WebRTC component.
    - CVE-2026-8388: Incorrect boundary conditions in the JavaScript Engine: JIT component.
    - CVE-2026-8391: Other issue in the JavaScript Engine component.
    - CVE-2026-8401: Sandbox escape in the Profile Backup component.
    - CVE-2026-8946: Incorrect boundary conditions in the Audio/Video: Web Codecs component.
    - CVE-2026-8947: Use-after-free in the DOM: Bindings (WebIDL) component.
    - CVE-2026-8949: Integer overflow in the Widget: Win32 component.
    - CVE-2026-8950: Same-origin policy bypass in the Networking: HTTP component.
    - CVE-2026-8953: Sandbox escape due to use-after-free in the Disability Access APIs component.
    - CVE-2026-8954: Incorrect boundary conditions, integer overflow in the Audio/Video component.
    - CVE-2026-8955: Privilege escalation in the DOM: Workers component.
    - CVE-2026-8956: Integer overflow in the Networking: JAR component.
    - CVE-2026-8957: Privilege escalation in the Enterprise Policies component.
    - CVE-2026-8958: Information disclosure, sandbox escape in the Security: Process Sandboxing component.
    - CVE-2026-8959: Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component.
    - CVE-2026-8961: Spoofing issue in the Form Autofill component.
    - CVE-2026-8962: Mitigation bypass in the DOM: Security component.
    - CVE-2026-8968: Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs component.
    - CVE-2026-8970: Privilege escalation in the Security component.
    - CVE-2026-8974: Memory safety bugs fixed in Firefox ESR 140.11 and Firefox 151.
    - CVE-2026-8975: Memory safety bugs fixed in Firefox ESR 115.36, Firefox ESR 140.11 and Firefox 151.

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 AlmaLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:22643 advisory.

    * firefox: Incorrect boundary conditions in the JavaScript Engine: JIT component (CVE-2026-8388)
      * firefox: Other issue in the JavaScript Engine component (CVE-2026-8391)
      * firefox: Sandbox escape in the Profile Backup component (CVE-2026-8401)
      * firefox: Integer overflow in the Networking: JAR component (CVE-2026-8956)
      * firefox: Memory safety bugs fixed in Firefox ESR 115.36, Firefox ESR 140.11 and Firefox 151     (CVE-2026-8975)
      * firefox: Privilege escalation in the DOM: Workers component (CVE-2026-8955)
      * firefox: Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs component     (CVE-2026-8968)
      * firefox: Incorrect boundary conditions, integer overflow in the Audio/Video component (CVE-2026-8954)
      * firefox: Information disclosure, sandbox escape in the Security: Process Sandboxing component     (CVE-2026-8958)
      * firefox: Incorrect boundary conditions in the Audio/Video: Web Codecs component (CVE-2026-8946)
      * firefox: Privilege escalation in the Security component (CVE-2026-8970)
      * firefox: Same-origin policy bypass in the Networking: HTTP component (CVE-2026-8950)
      * firefox: Memory safety bugs fixed in Firefox ESR 140.11 and Firefox 151 (CVE-2026-8974)
      * firefox: Sandbox escape due to use-after-free in the Disability Access APIs component (CVE-2026-8953)
      * firefox: Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component     (CVE-2026-8959)
      * firefox: Spoofing issue in the Form Autofill component (CVE-2026-8961)
      * firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-8947)
      * firefox: Mitigation bypass in the DOM: Security component (CVE-2026-8962)
      * firefox: Privilege escalation in the Enterprise Policies component (CVE-2026-8957)

Tenable has extracted the preceding description block directly from the AlmaLinux 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 SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2039-1 advisory.

    This update for MozillaFirefox fixes the following issue

    Update to Firefox Extended Support Release 140.11.0 ESR MFSA 2026-48 (bsc#1265212)

    - CVE-2026-8388: Incorrect boundary conditions in the JavaScript Engine: JIT component.
    - CVE-2026-8391: Other issue in the JavaScript Engine component.
    - CVE-2026-8401: Sandbox escape in the Profile Backup component.
    - CVE-2026-8946: Incorrect boundary conditions in the Audio/Video: Web Codecs component.
    - CVE-2026-8947: Use-after-free in the DOM: Bindings (WebIDL) component.
    - CVE-2026-8949: Integer overflow in the Widget: Win32 component.
    - CVE-2026-8950: Same-origin policy bypass in the Networking: HTTP component.
    - CVE-2026-8953: Sandbox escape due to use-after-free in the Disability Access APIs component.
    - CVE-2026-8954: Incorrect boundary conditions, integer overflow in the Audio/Video component.
    - CVE-2026-8955: Privilege escalation in the DOM: Workers component.
    - CVE-2026-8956: Integer overflow in the Networking: JAR component.
    - CVE-2026-8957: Privilege escalation in the Enterprise Policies component.
    - CVE-2026-8958: Information disclosure, sandbox escape in the Security: Process Sandboxing component.
    - CVE-2026-8959: Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component.
    - CVE-2026-8961: Spoofing issue in the Form Autofill component.
    - CVE-2026-8962: Mitigation bypass in the DOM: Security component.
    - CVE-2026-8968: Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs component.
    - CVE-2026-8970: Privilege escalation in the Security component.
    - CVE-2026-8974: Memory safety bugs fixed in Firefox ESR 140.11 and Firefox 151.
    - CVE-2026-8975: Memory safety bugs fixed in Firefox ESR 115.36, Firefox ESR 140.11 and Firefox 151.

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 a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:21381 advisory.

    Mozilla Thunderbird is a standalone mail and newsgroup client.

    Security Fix(es):

    * firefox: Incorrect boundary conditions in the JavaScript Engine: JIT component (CVE-2026-8388)

    * firefox: Other issue in the JavaScript Engine component (CVE-2026-8391)

    * firefox: Sandbox escape in the Profile Backup component (CVE-2026-8401)

    * firefox: Integer overflow in the Networking: JAR component (CVE-2026-8956)

    * firefox: Memory safety bugs fixed in Firefox ESR 115.36, Firefox ESR 140.11 and Firefox 151     (CVE-2026-8975)

    * firefox: Privilege escalation in the DOM: Workers component (CVE-2026-8955)

    * firefox: Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs component     (CVE-2026-8968)

    * firefox: Incorrect boundary conditions, integer overflow in the Audio/Video component (CVE-2026-8954)

    * firefox: Information disclosure, sandbox escape in the Security: Process Sandboxing component     (CVE-2026-8958)

    * firefox: Incorrect boundary conditions in the Audio/Video: Web Codecs component (CVE-2026-8946)

    * firefox: Privilege escalation in the Security component (CVE-2026-8970)

    * firefox: Same-origin policy bypass in the Networking: HTTP component (CVE-2026-8950)

    * firefox: Memory safety bugs fixed in Firefox ESR 140.11 and Firefox 151 (CVE-2026-8974)

    * firefox: Sandbox escape due to use-after-free in the Disability Access APIs component (CVE-2026-8953)

    * firefox: Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component     (CVE-2026-8959)

    * firefox: Spoofing issue in the Form Autofill component (CVE-2026-8961)

    * firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-8947)

    * firefox: Mitigation bypass in the DOM: Security component (CVE-2026-8962)

    * firefox: Privilege escalation in the Enterprise Policies component (CVE-2026-8957)

    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-2026:21382 advisory.

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

    Security Fix(es):

    * firefox: Incorrect boundary conditions in the JavaScript Engine: JIT component (CVE-2026-8388)

    * firefox: Other issue in the JavaScript Engine component (CVE-2026-8391)

    * firefox: Sandbox escape in the Profile Backup component (CVE-2026-8401)

    * firefox: Integer overflow in the Networking: JAR component (CVE-2026-8956)

    * firefox: Memory safety bugs fixed in Firefox ESR 115.36, Firefox ESR 140.11 and Firefox 151     (CVE-2026-8975)

    * firefox: Privilege escalation in the DOM: Workers component (CVE-2026-8955)

    * firefox: Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs component     (CVE-2026-8968)

    * firefox: Incorrect boundary conditions, integer overflow in the Audio/Video component (CVE-2026-8954)

    * firefox: Information disclosure, sandbox escape in the Security: Process Sandboxing component     (CVE-2026-8958)

    * firefox: Incorrect boundary conditions in the Audio/Video: Web Codecs component (CVE-2026-8946)

    * firefox: Privilege escalation in the Security component (CVE-2026-8970)

    * firefox: Same-origin policy bypass in the Networking: HTTP component (CVE-2026-8950)

    * firefox: Memory safety bugs fixed in Firefox ESR 140.11 and Firefox 151 (CVE-2026-8974)

    * firefox: Sandbox escape due to use-after-free in the Disability Access APIs component (CVE-2026-8953)

    * firefox: Spoofing issue in the Form Autofill component (CVE-2026-8961)

    * firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-8947)

    * firefox: Mitigation bypass in the DOM: Security component (CVE-2026-8962)

    * firefox: Privilege escalation in the Enterprise Policies component (CVE-2026-8957)

    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 RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:22325 advisory.

    * firefox: Incorrect boundary conditions in the JavaScript Engine: JIT component (CVE-2026-8388)

    * firefox: Other issue in the JavaScript Engine component (CVE-2026-8391)

    * firefox: Sandbox escape in the Profile Backup component (CVE-2026-8401)

    * firefox: Integer overflow in the Networking: JAR component (CVE-2026-8956)

    * firefox: Memory safety bugs fixed in Firefox ESR 115.36, Firefox ESR 140.11 and Firefox 151     (CVE-2026-8975)

    * firefox: Privilege escalation in the DOM: Workers component (CVE-2026-8955)

    * firefox: Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs component     (CVE-2026-8968)

    * firefox: Incorrect boundary conditions, integer overflow in the Audio/Video component (CVE-2026-8954)

    * firefox: Information disclosure, sandbox escape in the Security: Process Sandboxing component     (CVE-2026-8958)

    * firefox: Incorrect boundary conditions in the Audio/Video: Web Codecs component (CVE-2026-8946)

    * firefox: Privilege escalation in the Security component (CVE-2026-8970)

    * firefox: Same-origin policy bypass in the Networking: HTTP component (CVE-2026-8950)

    * firefox: Memory safety bugs fixed in Firefox ESR 140.11 and Firefox 151 (CVE-2026-8974)

    * firefox: Sandbox escape due to use-after-free in the Disability Access APIs component (CVE-2026-8953)

    * firefox: Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component     (CVE-2026-8959)

    * firefox: Spoofing issue in the Form Autofill component (CVE-2026-8961)

    * firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-8947)

    * firefox: Mitigation bypass in the DOM: Security component (CVE-2026-8962)

    * firefox: Privilege escalation in the Enterprise Policies component (CVE-2026-8957)

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 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:22643 advisory.

    * firefox: Incorrect boundary conditions in the JavaScript Engine: JIT component (CVE-2026-8388)

    * firefox: Other issue in the JavaScript Engine component (CVE-2026-8391)

    * firefox: Sandbox escape in the Profile Backup component (CVE-2026-8401)

    * firefox: Integer overflow in the Networking: JAR component (CVE-2026-8956)

    * firefox: Memory safety bugs fixed in Firefox ESR 115.36, Firefox ESR 140.11 and Firefox 151     (CVE-2026-8975)

    * firefox: Privilege escalation in the DOM: Workers component (CVE-2026-8955)

    * firefox: Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs component     (CVE-2026-8968)

    * firefox: Incorrect boundary conditions, integer overflow in the Audio/Video component (CVE-2026-8954)

    * firefox: Information disclosure, sandbox escape in the Security: Process Sandboxing component     (CVE-2026-8958)

    * firefox: Incorrect boundary conditions in the Audio/Video: Web Codecs component (CVE-2026-8946)

    * firefox: Privilege escalation in the Security component (CVE-2026-8970)

    * firefox: Same-origin policy bypass in the Networking: HTTP component (CVE-2026-8950)

    * firefox: Memory safety bugs fixed in Firefox ESR 140.11 and Firefox 151 (CVE-2026-8974)

    * firefox: Sandbox escape due to use-after-free in the Disability Access APIs component (CVE-2026-8953)

    * firefox: Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component     (CVE-2026-8959)

    * firefox: Spoofing issue in the Form Autofill component (CVE-2026-8961)

    * firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-8947)

    * firefox: Mitigation bypass in the DOM: Security component (CVE-2026-8962)

    * firefox: Privilege escalation in the Enterprise Policies component (CVE-2026-8957)

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 version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 151.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-50 advisory.

  - Memory safety bugs present in Thunderbird 140.10 and Thunderbird 150. 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-2026-8974, CVE-2026-8975)

  - Integer overflow in the Networking: JAR component. This vulnerability was fixed in Firefox 151, Firefox     ESR 140.11, Thunderbird 151, and Thunderbird 140.11. (CVE-2026-8956)

  - Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was fixed in     Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
    (CVE-2026-8946)

  - Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 151,     Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. (CVE-2026-8947)

  - Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151     and Thunderbird 151. (CVE-2026-8948)

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 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-f3409cf313 advisory.

    Updated to latest upstream (151.0)

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 Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:26606 advisory.

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

    Security Fix(es):

    * firefox: Incorrect boundary conditions in the JavaScript Engine: JIT component (CVE-2026-8388)

    * firefox: Other issue in the JavaScript Engine component (CVE-2026-8391)

    * firefox: Sandbox escape in the Profile Backup component (CVE-2026-8401)

    * firefox: Integer overflow in the Networking: JAR component (CVE-2026-8956)

    * firefox: Memory safety bugs fixed in Firefox ESR 115.36, Firefox ESR 140.11 and Firefox 151     (CVE-2026-8975)

    * firefox: Privilege escalation in the DOM: Workers component (CVE-2026-8955)

    * firefox: Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs component     (CVE-2026-8968)

    * firefox: Incorrect boundary conditions, integer overflow in the Audio/Video component (CVE-2026-8954)

    * firefox: Information disclosure, sandbox escape in the Security: Process Sandboxing component     (CVE-2026-8958)

    * firefox: Incorrect boundary conditions in the Audio/Video: Web Codecs component (CVE-2026-8946)

    * firefox: Privilege escalation in the Security component (CVE-2026-8970)

    * firefox: Same-origin policy bypass in the Networking: HTTP component (CVE-2026-8950)

    * firefox: Memory safety bugs fixed in Firefox ESR 140.11 and Firefox 151 (CVE-2026-8974)

    * firefox: Sandbox escape due to use-after-free in the Disability Access APIs component (CVE-2026-8953)

    * firefox: Spoofing issue in the Form Autofill component (CVE-2026-8961)

    * firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-8947)

    * firefox: Mitigation bypass in the DOM: Security component (CVE-2026-8962)

    * firefox: Privilege escalation in the Enterprise Policies component (CVE-2026-8957)

    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.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
336685	Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: firefox (UTSA-2026-101157)	Nessus	Unity Linux Local Security Checks	2026/8/17	2026/8/17	critical
323837	Oracle Linux 9 : firefox (ELSA-2026-21378)	Nessus	Oracle Linux Local Security Checks	2026/6/30	2026/6/30	critical
318037	RockyLinux 9 : thunderbird (RLSA-2026:21381)	Nessus	Rocky Linux Local Security Checks	2026/5/30	2026/5/30	critical
318044	RockyLinux 9 : firefox (RLSA-2026:21378)	Nessus	Rocky Linux Local Security Checks	2026/5/30	2026/5/30	critical
318094	SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2026:2109-1)	Nessus	SuSE Local Security Checks	2026/6/1	2026/6/1	critical
318401	AlmaLinux 8 : thunderbird (ALSA-2026:22643)	Nessus	Alma Linux Local Security Checks	2026/6/3	2026/6/3	critical
316766	SUSE SLES12 Security Update : MozillaFirefox (SUSE-SU-2026:2039-1)	Nessus	SuSE Local Security Checks	2026/5/26	2026/5/26	critical
317102	RHEL 9 : thunderbird (RHSA-2026:21381)	Nessus	Red Hat Local Security Checks	2026/5/27	2026/5/27	critical
317103	RHEL 8 : firefox (RHSA-2026:21382)	Nessus	Red Hat Local Security Checks	2026/5/27	2026/5/27	critical
318827	RockyLinux 10 : thunderbird (RLSA-2026:22325)	Nessus	Rocky Linux Local Security Checks	2026/6/5	2026/6/5	critical
319594	RockyLinux 8 : thunderbird (RLSA-2026:22643)	Nessus	Rocky Linux Local Security Checks	2026/6/6	2026/6/6	critical
315434	Mozilla Thunderbird < 151.0	Nessus	MacOS X Local Security Checks	2026/5/19	2026/7/22	critical
315985	Fedora 44 : firefox (2026-f3409cf313)	Nessus	Fedora Local Security Checks	2026/5/20	2026/5/22	critical
321494	RHEL 8 : firefox (RHSA-2026:26606)	Nessus	Red Hat Local Security Checks	2026/6/18	2026/6/18	critical

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