The version of Firefox installed on the remote Windows host is prior to 98.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2022-10 advisory.

  - If an attacker could control the contents of an iframe sandboxed with <code>allow-popups</code> but not     <code>allow-scripts</code>, they were able to craft a link that, when clicked, would lead to JavaScript     execution in violation of the sandbox. (CVE-2022-26384)

  - When resizing a popup after requesting fullscreen access, the popup would not display the fullscreen     notification. (CVE-2022-26383)

  - When installing an add-on, Firefox verified the signature before prompting the user; but while the user     was confirming the prompt, the underlying add-on file could have been modified and Firefox would not have     noticed. (CVE-2022-26387)

  - An attacker could have caused a use-after-free by forcing a text reflow in an SVG object leading to a     potentially exploitable crash. (CVE-2022-26381)

  - While the text displayed in Autofill tooltips cannot be directly read by JavaScript, the text was rendered     using page fonts. Side-channel attacks on the text by using specially crafted fonts could have lead to     this text being inferred by the webpage. (CVE-2022-26382)

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 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-2942 advisory.

  - If an attacker could control the contents of an iframe sandboxed with <code>allow-popups</code> but not     <code>allow-scripts</code>, they were able to craft a link that, when clicked, would lead to JavaScript     execution in violation of the sandbox. This vulnerability affects Firefox < 98, Firefox ESR < 91.7, and     Thunderbird < 91.7. (CVE-2022-26384)

  - An attacker could have caused a use-after-free by forcing a text reflow in an SVG object leading to a     potentially exploitable crash. This vulnerability affects Firefox < 98, Firefox ESR < 91.7, and     Thunderbird < 91.7. (CVE-2022-26381)

  - When resizing a popup after requesting fullscreen access, the popup would not display the fullscreen     notification. This vulnerability affects Firefox < 98, Firefox ESR < 91.7, and Thunderbird < 91.7.
    (CVE-2022-26383)

  - Previously Firefox for macOS and Linux would download temporary files to a user-specific directory in     <code>/tmp</code>, but this behavior was changed to download them to <code>/tmp</code> where they could be     affected by other local users. This behavior was reverted to the original, user-specific directory.
    <br>*This bug only affects Firefox for macOS and Linux. Other operating systems are unaffected.*. This     vulnerability affects Firefox ESR < 91.7 and Thunderbird < 91.7. (CVE-2022-26386)

  - When installing an add-on, Firefox verified the signature before prompting the user; but while the user     was confirming the prompt, the underlying add-on file could have been modified and Firefox would not have     noticed. This vulnerability affects Firefox < 98, Firefox ESR < 91.7, and Thunderbird < 91.7.
    (CVE-2022-26387)

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 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2022-0850 advisory.

    [91.7.0-2.0.1]
    - Replaced thunderbird-redhat-default-prefs.js with thunderbird-oracle-default-prefs.js
    - Enabled aarch64 build

    [91.7.0-2]
    - Update to 91.7.0 build2

    [91.7.0-1]
    - Update to 91.7.0 build1

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

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

The remote Oracle Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2022-0845 advisory.

    [91.7.0-2.0.1]
    - Replaced thunderbird-redhat-default-prefs.js with thunderbird-oracle-default-prefs.js

    [91.7.0-2]
    - Update to 91.7.0 build2

    [91.7.0-1]
    - Update to 91.7.0 build1

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

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

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2022:0850 advisory.

    Mozilla Thunderbird is a standalone mail and newsgroup client.

    This update upgrades Thunderbird to version 91.7.0.

    Security Fix(es):

    * Mozilla: Use-after-free in XSLT parameter processing (CVE-2022-26485)

    * Mozilla: Use-after-free in WebGPU IPC Framework (CVE-2022-26486)

    * expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235)

    * expat: Namespace-separator characters in xmlns[:prefix] attribute values can lead to arbitrary code     execution (CVE-2022-25236)

    * expat: Integer overflow in storeRawNames() (CVE-2022-25315)

    * Mozilla: Use-after-free in text reflows (CVE-2022-26381)

    * Mozilla: Browser window spoof using fullscreen mode (CVE-2022-26383)

    * Mozilla: iframe allow-scripts sandbox bypass (CVE-2022-26384)

    * Mozilla: Time-of-check time-of-use bug when verifying add-on signatures (CVE-2022-26387)

    * thunderbird: Crafted email could trigger an out-of-bounds write (CVE-2022-0566)

    * Mozilla: Temporary files downloaded to /tmp and accessible by other local users (CVE-2022-26386)

    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 host is affected by the vulnerability described in GLSA-202208-14 (Mozilla Thunderbird: Multiple Vulnerabilities)

  -  Please review the referenced CVE identifiers for details.  (CVE-2021-29967, CVE-2021-29969,     CVE-2021-29970, CVE-2021-29976, CVE-2021-29980, CVE-2021-29984, CVE-2021-29985, CVE-2021-29986,     CVE-2021-29988, CVE-2021-29989, CVE-2021-30547, CVE-2021-38492, CVE-2021-38493, CVE-2021-38495,     CVE-2021-38503, CVE-2021-38504, CVE-2021-38506, CVE-2021-38507, CVE-2021-38508, CVE-2021-38509,     CVE-2021-40529, CVE-2021-4129, CVE-2021-4140, CVE-2021-43528, CVE-2021-43529, CVE-2021-43536,     CVE-2021-43537, CVE-2021-43538, CVE-2021-43539, CVE-2021-43541, CVE-2021-43542, CVE-2021-43543,     CVE-2021-43545, CVE-2021-43546, CVE-2022-0566, CVE-2022-1196, CVE-2022-1197, CVE-2022-1520, CVE-2022-1529,     CVE-2022-1802, CVE-2022-1834, CVE-2022-2200, CVE-2022-2226, CVE-2022-22737, CVE-2022-22738,     CVE-2022-22739, CVE-2022-22740, CVE-2022-22741, CVE-2022-22742, CVE-2022-22743, CVE-2022-22745,     CVE-2022-22747, CVE-2022-22748, CVE-2022-22751, CVE-2022-22754, CVE-2022-22756, CVE-2022-22759,     CVE-2022-22760, CVE-2022-22761, CVE-2022-22763, CVE-2022-22764, CVE-2022-24713, CVE-2022-26381,     CVE-2022-26383, CVE-2022-26384, CVE-2022-26386, CVE-2022-26387, CVE-2022-26485, CVE-2022-26486,     CVE-2022-28281, CVE-2022-28282, CVE-2022-28285, CVE-2022-28286, CVE-2022-28289, CVE-2022-29909,     CVE-2022-29911, CVE-2022-29912, CVE-2022-29913, CVE-2022-29914, CVE-2022-29916, CVE-2022-29917,     CVE-2022-31736, CVE-2022-31737, CVE-2022-31738, CVE-2022-31740, CVE-2022-31741, CVE-2022-31742,     CVE-2022-31747, CVE-2022-34468, CVE-2022-34470, CVE-2022-34472, CVE-2022-34478, CVE-2022-34479,     CVE-2022-34481, CVE-2022-34484, CVE-2022-36318, CVE-2022-36319)

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 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2022-3104:04 advisory.

    * Mozilla: Use-after-free in XSLT parameter processing (CVE-2022-26485)
      * Mozilla: Use-after-free in WebGPU IPC Framework (CVE-2022-26486)
      * expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235)
      * expat: Namespace-separator characters in xmlns[:prefix] attribute values can lead to arbitrary code     execution (CVE-2022-25236)
      * expat: Integer overflow in storeRawNames() (CVE-2022-25315)
      * Mozilla: Use-after-free in text reflows (CVE-2022-26381)
      * Mozilla: Browser window spoof using fullscreen mode (CVE-2022-26383)
      * Mozilla: iframe allow-scripts sandbox bypass (CVE-2022-26384)
      * Mozilla: Time-of-check time-of-use bug when verifying add-on signatures (CVE-2022-26387)
      * thunderbird: Crafted email could trigger an out-of-bounds write (CVE-2022-0566)
      * Mozilla: Temporary files downloaded to /tmp and accessible by other local users (CVE-2022-26386)

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 MiracleLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2022-3095:06 advisory.

    * Mozilla: Use-after-free in XSLT parameter processing (CVE-2022-26485)
      * Mozilla: Use-after-free in WebGPU IPC Framework (CVE-2022-26486)
      * expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235)
      * expat: Namespace-separator characters in xmlns[:prefix] attribute values can lead to arbitrary code     execution (CVE-2022-25236)
      * expat: Integer overflow in storeRawNames() (CVE-2022-25315)
      * Mozilla: Use-after-free in text reflows (CVE-2022-26381)
      * Mozilla: Browser window spoof using fullscreen mode (CVE-2022-26383)
      * Mozilla: iframe allow-scripts sandbox bypass (CVE-2022-26384)
      * Mozilla: Time-of-check time-of-use bug when verifying add-on signatures (CVE-2022-26387)
      * Mozilla: Temporary files downloaded to /tmp and accessible by other local users (CVE-2022-26386)

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 Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2022_0818 advisory.

    * Mozilla: Use-after-free in XSLT parameter processing (CVE-2022-26485)

    * Mozilla: Use-after-free in WebGPU IPC Framework (CVE-2022-26486)

    * expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235)

    * expat: Namespace-separator characters in xmlns[:prefix] attribute values can lead to arbitrary code     execution (CVE-2022-25236)

    * expat: Integer overflow in storeRawNames() (CVE-2022-25315)

    * Mozilla: Use-after-free in text reflows (CVE-2022-26381)

    * Mozilla: Browser window spoof using fullscreen mode (CVE-2022-26383)

    * Mozilla: iframe allow-scripts sandbox bypass (CVE-2022-26384)

    * Mozilla: Time-of-check time-of-use bug when verifying add-on signatures (CVE-2022-26387)

    * Mozilla: Temporary files downloaded to /tmp and accessible by other local users (CVE-2022-26386)

Tenable has extracted the preceding description block directly from the CIQ 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	Name	Product	Family	Published	Updated	Severity
158694	Mozilla Firefox < 98.0	Nessus	Windows	3/8/2022	11/18/2025	critical
158783	Debian DLA-2942-1 : firefox-esr - LTS security update	Nessus	Debian Local Security Checks	3/10/2022	11/6/2023	critical
158903	Oracle Linux 7 : thunderbird (ELSA-2022-0850)	Nessus	Oracle Linux Local Security Checks	3/14/2022	10/22/2024	critical
158904	Oracle Linux 8 : thunderbird (ELSA-2022-0845)	Nessus	Oracle Linux Local Security Checks	3/14/2022	10/22/2024	critical
158907	RHEL 7 : thunderbird (RHSA-2022:0850)	Nessus	Red Hat Local Security Checks	3/14/2022	8/15/2025	critical
163986	GLSA-202208-14 : Mozilla Thunderbird: Multiple Vulnerabilities	Nessus	Gentoo Local Security Checks	8/10/2022	10/16/2023	critical
291667	MiracleLinux 8 : thunderbird-91.7.0-2.el8.ML.1 (AXSA:2022-3104:04)	Nessus	Miracle Linux Local Security Checks	1/19/2026	1/19/2026	critical
294697	MiracleLinux 8 : firefox-91.7.0-3.el8.ML.1 (AXSA:2022-3095:06)	Nessus	Miracle Linux Local Security Checks	1/20/2026	1/20/2026	critical
357864	Rocky Linux 8 [CIQ] Security Update: firefox / firefox-debuginfo / firefox-debugsource Multiple Vulnerabilities (crlsa-2022_0818)	Nessus	Rocky Linux Local Security Checks	10/1/2026	10/1/2026	critical

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