The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:0694 advisory.

    * firefox: Spoofing issue in the Downloads Panel component (CVE-2025-14327)

    * firefox: Use-after-free in the JavaScript: GC component (CVE-2026-0885)

    * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147     and Thunderbird 147 (CVE-2026-0891)

    * firefox: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component     (CVE-2026-0878)

    * firefox: Use-after-free in the IPC component (CVE-2026-0882)

    * firefox: Use-after-free in the JavaScript Engine component (CVE-2026-0884)

    * firefox: Information disclosure in the Networking component (CVE-2026-0883)

    * firefox: Mitigation bypass in the DOM: Security component (CVE-2026-0877)

    * firefox: Spoofing issue in the DOM: Copy & Paste and Drag & Drop component (CVE-2026-0890)

    * firefox: Clickjacking issue, information disclosure in the PDF Viewer component (CVE-2026-0887)

    * firefox: Sandbox escape due to incorrect boundary conditions in the Graphics component (CVE-2026-0879)

    * firefox: Sandbox escape due to integer overflow in the Graphics component (CVE-2026-0880)

    * firefox: Incorrect boundary conditions in the Graphics component (CVE-2026-0886)

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 Debian 12 / 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6103 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6103-1                   security@debian.org     https://www.debian.org/security/                       Moritz Muehlenhoff     January 17, 2026                      https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : thunderbird     CVE ID         : 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

    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 1:140.7.0esr-1~deb12u1.

    For the stable distribution (trixie), these problems have been fixed in     version 1:140.7.0esr-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 AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:0694 advisory.

    * firefox: Spoofing issue in the Downloads Panel component (CVE-2025-14327)
      * firefox: Use-after-free in the JavaScript: GC component (CVE-2026-0885)
      * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox     147 and Thunderbird 147 (CVE-2026-0891)
      * firefox: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component     (CVE-2026-0878)
      * firefox: Use-after-free in the IPC component (CVE-2026-0882)
      * firefox: Use-after-free in the JavaScript Engine component (CVE-2026-0884)
      * firefox: Information disclosure in the Networking component (CVE-2026-0883)
      * firefox: Mitigation bypass in the DOM: Security component (CVE-2026-0877)
      * firefox: Spoofing issue in the DOM: Copy & Paste and Drag & Drop component (CVE-2026-0890)
      * firefox: Clickjacking issue, information disclosure in the PDF Viewer component (CVE-2026-0887)
      * firefox: Sandbox escape due to incorrect boundary conditions in the Graphics component (CVE-2026-0879)
      * firefox: Sandbox escape due to integer overflow in the Graphics component (CVE-2026-0880)
      * firefox: Incorrect boundary conditions in the Graphics component (CVE-2026-0886)

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 SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0153-1 advisory.

    MFSA 2026-05 (bsc#1256340):

      - CVE-2026-0877: Mitigation bypass in the DOM in Security component
      - CVE-2026-0878: Sandbox escape due to incorrect boundary conditions in the         Graphics in CanvasWebGL component
      - CVE-2026-0879: Sandbox escape due to incorrect boundary conditions in the         Graphics component
      - CVE-2026-0880: Sandbox escape due to integer overflow in the Graphics         component
      - CVE-2026-0882: Use-after-free in the IPC component
      - CVE-2025-14327: Spoofing issue in the Downloads Panel component
      - CVE-2026-0883: Information disclosure in the Networking component
      - CVE-2026-0884: Use-after-free in the JavaScript Engine component
      - CVE-2026-0885: Use-after-free in the JavaScript: GC component
      - CVE-2026-0886: Incorrect boundary conditions in the Graphics component
      - CVE-2026-0887: Clickjacking issue, information disclosure in the PDF Viewer         component
      - CVE-2026-0890: Spoofing issue in the DOM in Copy & Paste and Drag & Drop         component
      - CVE-2026-0891: Memory safety bugs fixed in Firefox ESR 140.7, Thunderbird         ESR 140.7, Firefox 147 and Thunderbird 147

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-2026:0924 advisory.

    Mozilla Thunderbird is a standalone mail and newsgroup client.

    Security Fix(es):

    * firefox: Spoofing issue in the Downloads Panel component (CVE-2025-14327)

    * firefox: Use-after-free in the JavaScript: GC component (CVE-2026-0885)

    * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147     and Thunderbird 147 (CVE-2026-0891)

    * firefox: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component     (CVE-2026-0878)

    * firefox: Use-after-free in the IPC component (CVE-2026-0882)

    * firefox: Use-after-free in the JavaScript Engine component (CVE-2026-0884)

    * firefox: Information disclosure in the Networking component (CVE-2026-0883)

    * firefox: Mitigation bypass in the DOM: Security component (CVE-2026-0877)

    * firefox: Spoofing issue in the DOM: Copy & Paste and Drag & Drop component (CVE-2026-0890)

    * firefox: Clickjacking issue, information disclosure in the PDF Viewer component (CVE-2026-0887)

    * firefox: Sandbox escape due to incorrect boundary conditions in the Graphics component (CVE-2026-0879)

    * firefox: Sandbox escape due to integer overflow in the Graphics component (CVE-2026-0880)

    * firefox: Incorrect boundary conditions in the Graphics component (CVE-2026-0886)

    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 MiracleLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2026-082:02 advisory.

    * firefox: Spoofing issue in the Downloads Panel component (CVE-2025-14327)
      * firefox: Use-after-free in the JavaScript: GC component (CVE-2026-0885)
      * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox     147 and Thunderbird 147 (CVE-2026-0891)
      * firefox: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component     (CVE-2026-0878)
      * firefox: Use-after-free in the IPC component (CVE-2026-0882)
      * firefox: Use-after-free in the JavaScript Engine component (CVE-2026-0884)
      * firefox: Information disclosure in the Networking component (CVE-2026-0883)
      * firefox: Mitigation bypass in the DOM: Security component (CVE-2026-0877)
      * firefox: Spoofing issue in the DOM: Copy & Paste and Drag & Drop component (CVE-2026-0890)
      * firefox: Clickjacking issue, information disclosure in the PDF Viewer component (CVE-2026-0887)
      * firefox: Sandbox escape due to incorrect boundary conditions in the Graphics component (CVE-2026-0879)
      * firefox: Sandbox escape due to integer overflow in the Graphics component (CVE-2026-0880)
      * firefox: Incorrect boundary conditions in the Graphics component (CVE-2026-0886)

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

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

The remote Ubuntu 22.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7991-1 advisory.

    Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially     crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of     service, obtain sensitive information, bypass security restrictions, cross-site tracing, or execute     arbitrary code.

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

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

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:2073 advisory.

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

    Security Fix(es):

    * firefox: Spoofing issue in the Downloads Panel component (CVE-2025-14327)

    * firefox: Use-after-free in the JavaScript: GC component (CVE-2026-0885)

    * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147     and Thunderbird 147 (CVE-2026-0891)

    * firefox: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component     (CVE-2026-0878)

    * firefox: Use-after-free in the IPC component (CVE-2026-0882)

    * firefox: Use-after-free in the JavaScript Engine component (CVE-2026-0884)

    * firefox: Information disclosure in the Networking component (CVE-2026-0883)

    * firefox: Mitigation bypass in the DOM: Security component (CVE-2026-0877)

    * firefox: Spoofing issue in the DOM: Copy & Paste and Drag & Drop component (CVE-2026-0890)

    * firefox: Clickjacking issue, information disclosure in the PDF Viewer component (CVE-2026-0887)

    * firefox: Sandbox escape due to incorrect boundary conditions in the Graphics component (CVE-2026-0879)

    * firefox: Sandbox escape due to integer overflow in the Graphics component (CVE-2026-0880)

    * firefox: Incorrect boundary conditions in the Graphics component (CVE-2026-0886)

    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 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2026-2286 advisory.

    [140.7.0-1.0.1]
    - Add Oracle prefs

    [140.7.0-1]
    - Update to 140.7.0 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 thunderbird installed on the remote host is prior to 140.7.1-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3167 advisory.

    Spoofing issue in the Downloads Panel component. This vulnerability affects Firefox < 146.
    (CVE-2025-14327)

    CSS-based exfiltration of the content from partially encrypted emails when allowing remote content. This     vulnerability affects Thunderbird < 147.0.1 and Thunderbird < 140.7.1. (CVE-2026-0818)

    Mitigation bypass in the DOM: Security component. This vulnerability affects Firefox < 147, Firefox ESR <     115.32, and Firefox ESR < 140.7. (CVE-2026-0877)

    Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This     vulnerability affects Firefox < 147 and Firefox ESR < 140.7. (CVE-2026-0878)

    Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability affects     Firefox < 147, Firefox ESR < 115.32, and Firefox ESR < 140.7. (CVE-2026-0879)

    Sandbox escape due to integer overflow in the Graphics component. This vulnerability affects Firefox <     147, Firefox ESR < 115.32, and Firefox ESR < 140.7. (CVE-2026-0880)

    Use-after-free in the IPC component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, and     Firefox ESR < 140.7. (CVE-2026-0882)

    Information disclosure in the Networking component. This vulnerability affects Firefox < 147 and Firefox     ESR < 140.7. (CVE-2026-0883)

    Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 147 and Firefox     ESR < 140.7. (CVE-2026-0884)

    Use-after-free in the JavaScript: GC component. This vulnerability affects Firefox < 147 and Firefox ESR <     140.7. (CVE-2026-0885)

    Incorrect boundary conditions in the Graphics component. This vulnerability affects Firefox < 147, Firefox     ESR < 115.32, and Firefox ESR < 140.7. (CVE-2026-0886)

    Clickjacking issue, information disclosure in the PDF Viewer component. This vulnerability affects Firefox     < 147 and Firefox ESR < 140.7. (CVE-2026-0887)

    Spoofing issue in the DOM: Copy & Paste and Drag & Drop component. This vulnerability affects Firefox <     147 and Firefox ESR < 140.7. (CVE-2026-0890)

    Memory safety bugs present in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146.
    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 < 147 and     Firefox ESR < 140.7. (CVE-2026-0891)

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

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

The version of firefox installed on the remote host is prior to 140.7.0-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2FIREFOX-2026-050 advisory.

    Spoofing issue in the Downloads Panel component. This vulnerability affects Firefox < 146.
    (CVE-2025-14327)

    Mitigation bypass in the DOM: Security component. This vulnerability affects Firefox < 147, Firefox ESR <     115.32, and Firefox ESR < 140.7. (CVE-2026-0877)

    Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This     vulnerability affects Firefox < 147 and Firefox ESR < 140.7. (CVE-2026-0878)

    Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability affects     Firefox < 147, Firefox ESR < 115.32, and Firefox ESR < 140.7. (CVE-2026-0879)

    Sandbox escape due to integer overflow in the Graphics component. This vulnerability affects Firefox <     147, Firefox ESR < 115.32, and Firefox ESR < 140.7. (CVE-2026-0880)

    Use-after-free in the IPC component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, and     Firefox ESR < 140.7. (CVE-2026-0882)

    Information disclosure in the Networking component. This vulnerability affects Firefox < 147 and Firefox     ESR < 140.7. (CVE-2026-0883)

    Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 147 and Firefox     ESR < 140.7. (CVE-2026-0884)

    Use-after-free in the JavaScript: GC component. This vulnerability affects Firefox < 147 and Firefox ESR <     140.7. (CVE-2026-0885)

    Incorrect boundary conditions in the Graphics component. This vulnerability affects Firefox < 147, Firefox     ESR < 115.32, and Firefox ESR < 140.7. (CVE-2026-0886)

    Clickjacking issue, information disclosure in the PDF Viewer component. This vulnerability affects Firefox     < 147 and Firefox ESR < 140.7. (CVE-2026-0887)

    Spoofing issue in the DOM: Copy & Paste and Drag & Drop component. This vulnerability affects Firefox <     147 and Firefox ESR < 140.7. (CVE-2026-0890)

    Memory safety bugs present in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146.
    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 < 147 and     Firefox ESR < 140.7. (CVE-2026-0891)

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

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

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
288863	RockyLinux 9 : firefox (RLSA-2026:0694)	Nessus	Rocky Linux Local Security Checks	2026/1/16	2026/1/16	high
291303	Debian dsa-6103 : thunderbird - security update	Nessus	Debian Local Security Checks	2026/1/17	2026/2/24	high
291346	AlmaLinux 9 : firefox (ALSA-2026:0694)	Nessus	Alma Linux Local Security Checks	2026/1/19	2026/1/19	high
294798	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : MozillaThunderbird (SUSE-SU-2026:0153-1)	Nessus	SuSE Local Security Checks	2026/1/20	2026/1/20	high
294851	RHEL 9 : thunderbird (RHSA-2026:0924)	Nessus	Red Hat Local Security Checks	2026/1/21	2026/1/27	high
296667	MiracleLinux 9 : thunderbird-140.7.0-1.el9_7.ML.1 (AXSA:2026-082:02)	Nessus	Miracle Linux Local Security Checks	2026/1/27	2026/1/27	high
297659	Ubuntu 22.04 LTS : Thunderbird vulnerabilities (USN-7991-1)	Nessus	Ubuntu Local Security Checks	2026/2/3	2026/2/24	medium
298053	RHEL 8 : firefox (RHSA-2026:2073)	Nessus	Red Hat Local Security Checks	2026/2/5	2026/2/5	high
298407	Oracle Linux 10 : thunderbird (ELSA-2026-2286)	Nessus	Oracle Linux Local Security Checks	2026/2/9	2026/2/9	high
299518	Amazon Linux 2 : thunderbird, --advisory ALAS2-2026-3167 (ALAS-2026-3167)	Nessus	Amazon Linux Local Security Checks	2026/2/19	2026/2/24	high
299521	Amazon Linux 2 : firefox, --advisory ALAS2FIREFOX-2026-050 (ALASFIREFOX-2026-050)	Nessus	Amazon Linux Local Security Checks	2026/2/19	2026/2/19	high

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