The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:26268 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 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:26493 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 Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:26629 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 Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:26551 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 Oracle Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2026-26551 advisory.

    - Update to 140.10.2 ESR [Orabug: 39534787][CVE-2026-8090][CVE-2026-8092]       [CVE-2026-8094]
    - Update to 140.10.1 ESR [Orabug: 39481850][CVE-2026-7320][CVE-2026-7321]       [CVE-2026-7322][CVE-2026-7323]
    - Update to 140.10.0 ESR [Orabug: 39499844][CVE-2026-6746][CVE-2026-6747]       [CVE-2026-6748][CVE-2026-6749][CVE-2026-6750][CVE-2026-6751][CVE-2026-6752]       [CVE-2026-6753][CVE-2026-6754][CVE-2026-6757][CVE-2026-6759][CVE-2026-6761]       [CVE-2026-6762][CVE-2026-6763][CVE-2026-6764][CVE-2026-6765][CVE-2026-6766]       [CVE-2026-6767][CVE-2026-6769][CVE-2026-6770][CVE-2026-6771][CVE-2026-6772]       [CVE-2026-6776][CVE-2026-6785][CVE-2026-6786]
    - Update to 140.9.1 ESR [Orabug: 39324689][CVE-2026-5731][CVE-2026-5732]       [CVE-2026-5734][CVE-2026-33416][CVE-2026-33636]
    - Update to 140.9.0 ESR [Orabug: 39361657][CVE-2026-4684][CVE-2026-4685]       [CVE-2026-4686][CVE-2026-4687][CVE-2026-4688][CVE-2026-4689][CVE-2026-4690]       [CVE-2026-4691][CVE-2026-4692][CVE-2026-4693][CVE-2026-4694][CVE-2026-4695]       [CVE-2026-4696][CVE-2026-4697][CVE-2026-4698][CVE-2026-4699][CVE-2026-4700]       [CVE-2026-4701][CVE-2026-4702][CVE-2026-4704][CVE-2026-4705][CVE-2026-4706]       [CVE-2026-4707][CVE-2026-4708][CVE-2026-4709][CVE-2026-4710][CVE-2026-4711]       [CVE-2026-4712][CVE-2026-4713][CVE-2026-4714][CVE-2026-4715][CVE-2026-4716]       [CVE-2026-4717][CVE-2026-4718][CVE-2026-4719][CVE-2026-4720][CVE-2026-4721]
    - Update to 140.8.0 ESR [Orabug: 39361647][CVE-2026-2447][CVE-2026-2757]       [CVE-2026-2758][CVE-2026-2759][CVE-2026-2760][CVE-2026-2761][CVE-2026-2762]       [CVE-2026-2763][CVE-2026-2764][CVE-2026-2765][CVE-2026-2766][CVE-2026-2767]       [CVE-2026-2768][CVE-2026-2769][CVE-2026-2770][CVE-2026-2771][CVE-2026-2772]       [CVE-2026-2773][CVE-2026-2774][CVE-2026-2775][CVE-2026-2776][CVE-2026-2777]       [CVE-2026-2778][CVE-2026-2779][CVE-2026-2780][CVE-2026-2781][CVE-2026-2782]       [CVE-2026-2783][CVE-2026-2784][CVE-2026-2785][CVE-2026-2786][CVE-2026-2787]       [CVE-2026-2788][CVE-2026-2789][CVE-2026-2790][CVE-2026-2791][CVE-2026-2792]       [CVE-2026-2793]
    - Update to 140.7.0 ESR [Orabug: 38940976][CVE-2025-14327][CVE-2026-0877]       [CVE-2026-0878][CVE-2026-0879][CVE-2026-0880][CVE-2026-0882][CVE-2026-0883]       [CVE-2026-0884][CVE-2026-0885][CVE-2026-0886][CVE-2026-0887][CVE-2026-0890]       [CVE-2026-0891]
    - Update to 140.6.0 ESR [Orabug: 38813993][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]

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 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2026-22325 advisory.

    [140.12.0-1.0.1]
    - Add Oracle prefs

    [140.12.0-1]
    - Update to 140.12.0 ESR

    [140.11.0-1]
    - Update to 140.11.0 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 version of Firefox 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 mfsa2026-46 advisory.

  - Memory safety bugs present in Firefox ESR 115.35, Firefox ESR 140.10 and Firefox 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-2026-8975)

  - 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)

  - Sandbox escape in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 151.
    (CVE-2026-8945)

  - 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)

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-6288 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6288-1                   security@debian.org     https://www.debian.org/security/                       Moritz Muehlenhoff     May 21, 2026                          https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : thunderbird     CVE ID         : CVE-2026-8388 CVE-2026-8391 CVE-2026-8401 CVE-2026-8946                      CVE-2026-8947 CVE-2026-8950 CVE-2026-8953 CVE-2026-8954                      CVE-2026-8955 CVE-2026-8956 CVE-2026-8957 CVE-2026-8958                      CVE-2026-8961 CVE-2026-8962 CVE-2026-8968 CVE-2026-8970                      CVE-2026-8974 CVE-2026-8975

    Multiple security issues were discovered in Thunderbird, which could     result in the execution of arbitrary code.

    For the oldstable distribution (bookworm), these problems have been fixed     in version 1:140.11.0esr-1~deb12u1.

    For the stable distribution (trixie), these problems have been fixed in     version 1:140.11.0esr-1~deb13u1.

    We recommend that you upgrade your thunderbird packages.

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

    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 remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4594 advisory.

    - -------------------------------------------------------------------------     Debian LTS Advisory DLA-4594-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/               Emilio Pozuelo Monfort     May 22, 2026                                  https://wiki.debian.org/LTS
    - -------------------------------------------------------------------------

    Package        : thunderbird     Version        : 1:140.11.0esr-1~deb11u1     CVE ID         : CVE-2026-8388 CVE-2026-8391 CVE-2026-8401 CVE-2026-8946                      CVE-2026-8947 CVE-2026-8950 CVE-2026-8953 CVE-2026-8954                      CVE-2026-8955 CVE-2026-8956 CVE-2026-8957 CVE-2026-8958                      CVE-2026-8961 CVE-2026-8962 CVE-2026-8968 CVE-2026-8970                      CVE-2026-8974 CVE-2026-8975

    Multiple security issues were discovered in Thunderbird, which could     result in the execution of arbitrary code.

    For Debian 11 bullseye, these problems have been fixed in version     1:140.11.0esr-1~deb11u1.

    We recommend that you upgrade your thunderbird packages.

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

    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 Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:21380 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 AlmaLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:21382 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 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 AlmaLinux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-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 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.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
321264	RHEL 8 : thunderbird (RHSA-2026:26268)	Nessus	Red Hat Local Security Checks	2026/6/16	2026/6/16	critical
321321	RHEL 9 : firefox (RHSA-2026:26493)	Nessus	Red Hat Local Security Checks	2026/6/17	2026/6/17	critical
321485	RHEL 8 : firefox (RHSA-2026:26629)	Nessus	Red Hat Local Security Checks	2026/6/18	2026/6/18	critical
321568	RHEL 7 : firefox (RHSA-2026:26551)	Nessus	Red Hat Local Security Checks	2026/6/20	2026/6/20	critical
324033	Oracle Linux 7 : firefox (ELSA-2026-26551)	Nessus	Oracle Linux Local Security Checks	2026/7/1	2026/7/1	critical
327723	Oracle Linux 10 : thunderbird (ELSA-2026-22325)	Nessus	Oracle Linux Local Security Checks	2026/7/18	2026/7/18	critical
315327	Mozilla Firefox < 151.0	Nessus	MacOS X Local Security Checks	2026/5/19	2026/5/27	critical
316476	Debian dsa-6288 : thunderbird - security update	Nessus	Debian Local Security Checks	2026/5/22	2026/5/22	critical
316547	Debian dla-4594 : thunderbird - security update	Nessus	Debian Local Security Checks	2026/5/25	2026/5/25	critical
317379	RHEL 10 : firefox (RHSA-2026:21380)	Nessus	Red Hat Local Security Checks	2026/5/28	2026/5/28	critical
317939	AlmaLinux 8 : firefox (ALSA-2026:21382)	Nessus	Alma Linux Local Security Checks	2026/5/29	2026/5/29	critical
318400	AlmaLinux 10 : thunderbird (ALSA-2026:22325)	Nessus	Alma Linux Local Security Checks	2026/6/3	2026/6/3	critical

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