The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2023:0261 advisory.

    Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:

      CVE-2023-5721:
      It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by     the user due to an insufficient activation-delay. This vulnerability affects Firefox < 119, Firefox ESR <     115.4, and Thunderbird < 115.4.1.

      CVE-2023-5724:
      Drivers are not always robust to extremely large draw calls and in some cases this scenario could have     led to a crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.

      CVE-2023-5725:
      A malicious installed WebExtension could open arbitrary URLs, which under the right circumstance could     be leveraged to collect sensitive user data. This vulnerability affects Firefox < 119, Firefox ESR <     115.4, and Thunderbird < 115.4.1.

      CVE-2023-5728:
      During garbage collection extra operations were performed on a object that should not be. This could     have led to a potentially exploitable crash. This vulnerability affects Firefox < 119, Firefox ESR <     115.4, and Thunderbird < 115.4.1.

      CVE-2023-5730:
      Memory safety bugs present in Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3. 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 < 119, Firefox ESR < 115.4, and     Thunderbird < 115.4.1.

      CVE-2023-5732:
      An attacker could have created a malicious link using bidirectional characters to spoof the location in     the address bar when visited. This vulnerability affects Firefox < 117, Firefox ESR < 115.4, and     Thunderbird < 115.4.1.

      CVE-2023-44488:
      VP9 in libvpx before 1.13.1 mishandles widths, leading to a crash related to encoding.

Tenable has extracted the preceding description block directly from the Tencent 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 Windows host is prior to 119.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2023-45 advisory.

  - Memory safety bugs present in Firefox 118. 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-2023-5731)

  - It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by     the user due to an insufficient activation-delay. (CVE-2023-5721)

  - Using iterative requests an attacker was able to learn the size of an opaque response, as well as the     contents of a server-supplied Vary header. (CVE-2023-5722)

  - An attacker with temporary script access to a site could have set a cookie containing invalid characters     using <code>document.cookie</code> that could have led to unknown errors. (CVE-2023-5723)

  - Drivers are not always robust to extremely large draw calls and in some cases this scenario could have led     to a crash. (CVE-2023-5724)

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 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-7cdf31bb36 advisory.

    - Update to latest upstream (119.0)

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 Debian 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-3632 advisory.

    - -------------------------------------------------------------------------     Debian LTS Advisory DLA-3632-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/               Emilio Pozuelo Monfort     October 27, 2023                              https://wiki.debian.org/LTS
    - -------------------------------------------------------------------------

    Package        : firefox-esr     Version        : 115.4.0esr-1~deb10u1     CVE ID         : CVE-2023-5721 CVE-2023-5724 CVE-2023-5725 CVE-2023-5728                      CVE-2023-5730 CVE-2023-5732

    Multiple security issues have been found in the Mozilla Firefox web     browser, which could potentially result in the execution of arbitrary     code, clickjacking, spoofing or information leaks.

    For Debian 10 buster, these problems have been fixed in version     115.4.0esr-1~deb10u1.

    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 Debian 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-3637 advisory.

    - -------------------------------------------------------------------------     Debian LTS Advisory DLA-3637-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/               Emilio Pozuelo Monfort     October 29, 2023                              https://wiki.debian.org/LTS
    - -------------------------------------------------------------------------

    Package        : thunderbird     Version        : 1:115.4.1-1~deb10u1     CVE ID         : CVE-2023-5721 CVE-2023-5724 CVE-2023-5725 CVE-2023-5728                      CVE-2023-5730 CVE-2023-5732

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

    For Debian 10 buster, these problems have been fixed in version     1:115.4.1-1~deb10u1.

    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 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2023:6196 advisory.

    Mozilla Thunderbird is a standalone mail and newsgroup client.

    This update upgrades Thunderbird to version 115.4.1.

    Security Fix(es):

    * Mozilla: Queued up rendering could have allowed websites to clickjack (CVE-2023-5721)

    * Mozilla: Memory safety bugs fixed in Firefox 119, Firefox ESR 115.4, and Thunderbird 115.4     (CVE-2023-5730)

    * libvpx: crash related to VP9 encoding in libvpx (CVE-2023-44488)

    * Mozilla: Large WebGL draw could have led to a crash (CVE-2023-5724)

    * Mozilla: WebExtensions could open arbitrary URLs (CVE-2023-5725)

    * Mozilla: Improper object tracking during GC in the JavaScript engine could have led to a crash.
    (CVE-2023-5728)

    * Mozilla: Address bar spoofing via bidirectional characters (CVE-2023-5732)

    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-2023:6197 advisory.

    Mozilla Thunderbird is a standalone mail and newsgroup client.

    This update upgrades Thunderbird to version 115.4.1.

    Security Fix(es):

    * Mozilla: Queued up rendering could have allowed websites to clickjack (CVE-2023-5721)

    * Mozilla: Memory safety bugs fixed in Firefox 119, Firefox ESR 115.4, and Thunderbird 115.4     (CVE-2023-5730)

    * libvpx: crash related to VP9 encoding in libvpx (CVE-2023-44488)

    * Mozilla: Large WebGL draw could have led to a crash (CVE-2023-5724)

    * Mozilla: WebExtensions could open arbitrary URLs (CVE-2023-5725)

    * Mozilla: Improper object tracking during GC in the JavaScript engine could have led to a crash.
    (CVE-2023-5728)

    * Mozilla: Address bar spoofing via bidirectional characters (CVE-2023-5732)

    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 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-2023:4302-1 advisory.

  - It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by     the user due to an insufficient activation-delay. This vulnerability affects Firefox < 119, Firefox ESR <     115.4, and Thunderbird < 115.4.1. (CVE-2023-5721)

  - Drivers are not always robust to extremely large draw calls and in some cases this scenario could have led     to a crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
    (CVE-2023-5724)

  - A malicious installed WebExtension could open arbitrary URLs, which under the right circumstance could be     leveraged to collect sensitive user data. This vulnerability affects Firefox < 119, Firefox ESR < 115.4,     and Thunderbird < 115.4.1. (CVE-2023-5725)

  - A website could have obscured the full screen notification by using the file open dialog. This could have     led to user confusion and possible spoofing attacks. *Note: This issue only affected macOS operating     systems. Other operating systems are unaffected.* This vulnerability affects Firefox < 119, Firefox ESR <     115.4, and Thunderbird < 115.4.1. (CVE-2023-5726)

  - The executable file warning was not presented when downloading .msix, .msixbundle, .appx, and .appxbundle     files, which can run commands on a user's computer. *Note: This issue only affected Windows operating     systems. Other operating systems are unaffected.* This vulnerability affects Firefox < 119, Firefox ESR <     115.4, and Thunderbird < 115.4.1. (CVE-2023-5727)

  - During garbage collection extra operations were performed on a object that should not be. This could have     led to a potentially exploitable crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and     Thunderbird < 115.4.1. (CVE-2023-5728)

  - Memory safety bugs present in Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3. 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 < 119, Firefox ESR < 115.4, and     Thunderbird < 115.4.1. (CVE-2023-5730)

  - An attacker could have created a malicious link using bidirectional characters to spoof the location in     the address bar when visited. This vulnerability affects Firefox < 117, Firefox ESR < 115.4, and     Thunderbird < 115.4.1. (CVE-2023-5732)

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

The remote Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2023:6188 advisory.

  - VP9 in libvpx before 1.13.1 mishandles widths, leading to a crash related to encoding. (CVE-2023-44488)

  - It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by     the user due to an insufficient activation-delay. This vulnerability affects Firefox < 119, Firefox ESR <     115.4, and Thunderbird < 115.4.1. (CVE-2023-5721)

  - Drivers are not always robust to extremely large draw calls and in some cases this scenario could have led     to a crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
    (CVE-2023-5724)

  - A malicious installed WebExtension could open arbitrary URLs, which under the right circumstance could be     leveraged to collect sensitive user data. This vulnerability affects Firefox < 119, Firefox ESR < 115.4,     and Thunderbird < 115.4.1. (CVE-2023-5725)

  - During garbage collection extra operations were performed on a object that should not be. This could have     led to a potentially exploitable crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and     Thunderbird < 115.4.1. (CVE-2023-5728)

  - Memory safety bugs present in Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3. 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 < 119, Firefox ESR < 115.4, and     Thunderbird < 115.4.1. (CVE-2023-5730)

  - An attacker could have created a malicious link using bidirectional characters to spoof the location in     the address bar when visited. This vulnerability affects Firefox < 117, Firefox ESR < 115.4, and     Thunderbird < 115.4.1. (CVE-2023-5732)

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 Tencent Linux installed on the remote TencentOS Server 2 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2023:0273 advisory.

    Package updates are available for TencentOS Server 2 that fix the following vulnerabilities:

      CVE-2023-5721:
      It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by     the user due to an insufficient activation-delay. This vulnerability affects Firefox < 119, Firefox ESR <     115.4, and Thunderbird < 115.4.1.

      CVE-2023-5724:
      Drivers are not always robust to extremely large draw calls and in some cases this scenario could have     led to a crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.

      CVE-2023-5725:
      A malicious installed WebExtension could open arbitrary URLs, which under the right circumstance could     be leveraged to collect sensitive user data. This vulnerability affects Firefox < 119, Firefox ESR <     115.4, and Thunderbird < 115.4.1.

      CVE-2023-5728:
      During garbage collection extra operations were performed on a object that should not be. This could     have led to a potentially exploitable crash. This vulnerability affects Firefox < 119, Firefox ESR <     115.4, and Thunderbird < 115.4.1.

      CVE-2023-5730:
      Memory safety bugs present in Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3. 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 < 119, Firefox ESR < 115.4, and     Thunderbird < 115.4.1.

      CVE-2023-5732:
      An attacker could have created a malicious link using bidirectional characters to spoof the location in     the address bar when visited. This vulnerability affects Firefox < 117, Firefox ESR < 115.4, and     Thunderbird < 115.4.1.

      CVE-2023-44488:
      VP9 in libvpx before 1.13.1 mishandles widths, leading to a crash related to encoding.

Tenable has extracted the preceding description block directly from the Tencent 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 Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - During garbage collection extra operations were performed on a object that should not be. This could have     led to a potentially exploitable crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and     Thunderbird < 115.4.1. (CVE-2023-5728)

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

ID	Name	Product	Family	Published	Updated	Severity
276142	TencentOS Server 3: firefox (TSSA-2023:0261)	Nessus	Tencent Local Security Checks	11/20/2025	11/20/2025	critical
183785	Mozilla Firefox < 119.0	Nessus	Windows	10/24/2023	11/18/2025	critical
183904	Fedora 38 : firefox (2023-7cdf31bb36)	Nessus	Fedora Local Security Checks	10/26/2023	11/14/2024	critical
183975	Debian dla-3632 : firefox-esr - security update	Nessus	Debian Local Security Checks	10/27/2023	1/22/2025	critical
184003	Debian dla-3637 : thunderbird - security update	Nessus	Debian Local Security Checks	10/29/2023	1/22/2025	critical
184043	RHEL 8 : thunderbird (RHSA-2023:6196)	Nessus	Red Hat Local Security Checks	10/30/2023	11/7/2024	critical
184046	RHEL 8 : thunderbird (RHSA-2023:6197)	Nessus	Red Hat Local Security Checks	10/30/2023	11/7/2024	critical
184124	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : MozillaThunderbird (SUSE-SU-2023:4302-1)	Nessus	SuSE Local Security Checks	11/1/2023	11/2/2023	critical
185469	Rocky Linux 9 : firefox (RLSA-2023:6188)	Nessus	Rocky Linux Local Security Checks	11/11/2023	12/1/2023	critical
238869	TencentOS Server 2: firefox (TSSA-2023:0273)	Nessus	Tencent Local Security Checks	6/16/2025	11/20/2025	critical
226333	Linux Distros Unpatched Vulnerability : CVE-2023-5728	Nessus	Misc.	3/5/2025	8/7/2025	high

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