The version of Thunderbird ESR installed on the remote macOS or Mac OS X host is prior to 128.6. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-05 advisory.

  - Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 115.18, Firefox ESR 128.5,     Thunderbird 115.18, and Thunderbird 128.5. 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-2025-0242)

  - The WebChannel API, which is used to transport various information across processes, did not check the     sending principal but rather accepted the principal being sent. This could have led to privilege     escalation attacks. (CVE-2025-0237)

  - Assuming a controlled failed memory allocation, an attacker could have caused a use-after-free, leading to     a potentially exploitable crash. (CVE-2025-0238)

  - When using Alt-Svc, ALPN did not properly validate certificates when the original server is redirecting to     an insecure site. (CVE-2025-0239)

  - Parsing a JavaScript module as JSON could under some circumstances cause cross-compartment access, which     may result in a use-after-free. (CVE-2025-0240)

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 ESR installed on the remote Windows host is prior to 128.6. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-05 advisory.

  - Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 115.18, Firefox ESR 128.5,     Thunderbird 115.18, and Thunderbird 128.5. 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-2025-0242)

  - The WebChannel API, which is used to transport various information across processes, did not check the     sending principal but rather accepted the principal being sent. This could have led to privilege     escalation attacks. (CVE-2025-0237)

  - Assuming a controlled failed memory allocation, an attacker could have caused a use-after-free, leading to     a potentially exploitable crash. (CVE-2025-0238)

  - When using Alt-Svc, ALPN did not properly validate certificates when the original server is redirecting to     an insecure site. (CVE-2025-0239)

  - Parsing a JavaScript module as JSON could under some circumstances cause cross-compartment access, which     may result in a use-after-free. (CVE-2025-0240)

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 134.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-04 advisory.

  - Memory safety bugs present in Firefox 133 and Thunderbird 133. 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-2025-0247)

  - Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 115.18, Firefox ESR 128.5,     Thunderbird 115.18, and Thunderbird 128.5. 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-2025-0242)

  - The Matrix specification demands homeservers to perform validation of the server-name and media-id     components of MXC URIs with the intent to prevent path traversal. However, it is not mentioned that a     similar check must also be performed on the client to prevent client-side path traversal. matrix-js-sdk     fails to perform this validation. (CVE-2024-50336)

  - The WebChannel API, which is used to transport various information across processes, did not check the     sending principal but rather accepted the principal being sent. This could have led to privilege     escalation attacks. (CVE-2025-0237)

  - Assuming a controlled failed memory allocation, an attacker could have caused a use-after-free, leading to     a potentially exploitable crash. (CVE-2025-0238)

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-2025:0135 advisory.

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

    Security Fix(es):

    * firefox: Use-after-free when breaking lines in text (CVE-2025-0238)

    * firefox: Memory corruption when using JavaScript Text Segmentation (CVE-2025-0241)

    * firefox: Alt-Svc ALPN validation failure when redirected (CVE-2025-0239)

    * firefox: thunderbird: Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and     Thunderbird 128.6 (CVE-2025-0243)

    * firefox: thunderbird: Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 115.19,     Firefox ESR 128.6, Thunderbird 115.19, and Thunderbird 128.6 (CVE-2025-0242)

    * firefox: WebChannel APIs susceptible to confused deputy attack (CVE-2025-0237)

    * firefox: Compartment mismatch when parsing JavaScript JSON module (CVE-2025-0240)

    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 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2025:0080 advisory.

    * firefox: Use-after-free when breaking lines in text (CVE-2025-0238)
      * firefox: Memory corruption when using JavaScript Text Segmentation (CVE-2025-0241)
      * firefox: Alt-Svc ALPN validation failure when redirected (CVE-2025-0239)
      * firefox: thunderbird: Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and     Thunderbird 128.6 (CVE-2025-0243)
      * firefox: thunderbird: Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 115.19,     Firefox ESR 128.6, Thunderbird 115.19, and Thunderbird 128.6 (CVE-2025-0242)
      * firefox: WebChannel APIs susceptible to confused deputy attack (CVE-2025-0237)
      * firefox: Compartment mismatch when parsing JavaScript JSON module (CVE-2025-0240)

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 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2025:0144 advisory.

    * firefox: Use-after-free when breaking lines in text (CVE-2025-0238)
      * firefox: Memory corruption when using JavaScript Text Segmentation (CVE-2025-0241)
      * firefox: Alt-Svc ALPN validation failure when redirected (CVE-2025-0239)
      * firefox: thunderbird: Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and     Thunderbird 128.6 (CVE-2025-0243)
      * firefox: thunderbird: Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 115.19,     Firefox ESR 128.6, Thunderbird 115.19, and Thunderbird 128.6 (CVE-2025-0242)
      * firefox: WebChannel APIs susceptible to confused deputy attack (CVE-2025-0237)
      * firefox: Compartment mismatch when parsing JavaScript JSON module (CVE-2025-0240)

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-2025:0059-1 advisory.

    - Firefox Extended Support Release 128.6.0 ESR
      * Fixed: Various security fixes.

      MFSA 2025-02 (bsc#1234991)
      * CVE-2025-0237 (bmo#1915257)         WebChannel APIs susceptible to confused deputy attack
      * CVE-2025-0238 (bmo#1915535)         Use-after-free when breaking lines
      * CVE-2025-0239 (bmo#1929156)         Alt-Svc ALPN validation failure when redirected
      * CVE-2025-0240 (bmo#1929623)         Compartment mismatch when parsing JavaScript JSON module
      * CVE-2025-0241 (bmo#1933023)         Memory corruption when using JavaScript Text Segmentation
      * CVE-2025-0242 (bmo#1874523, bmo#1926454, bmo#1931873,         bmo#1932169)         Memory safety bugs fixed in Firefox 134, Thunderbird 134,         Firefox ESR 115.19, Firefox ESR 128.6, Thunderbird 115.19,         and Thunderbird 128.6
      * CVE-2025-0243 (bmo#1827142, bmo#1932783)         Memory safety bugs fixed in Firefox 134, Thunderbird 134,         Firefox ESR 128.6, and Thunderbird 128.6

    - Firefox Extended Support Release 128.5.2 ESR
      * Fixed: Fixed a crash experienced by Windows users with Qihoo         360 Total Security Antivirus software installed (bmo#1934258)

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 version of Thunderbird installed on the remote Windows host is prior to 128.6. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-05 advisory.

  - Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 115.18, Firefox ESR 128.5,     Thunderbird 115.18, and Thunderbird 128.5. 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-2025-0242)

  - When segmenting specially crafted text, segmentation would corrupt memory leading to a potentially     exploitable crash. (CVE-2025-0241)

  - The WebChannel API, which is used to transport various information across processes, did not check the     sending principal but rather accepted the principal being sent. This could have led to privilege     escalation attacks. (CVE-2025-0237)

  - Assuming a controlled failed memory allocation, an attacker could have caused a use-after-free, leading to     a potentially exploitable crash. (CVE-2025-0238)

  - When using Alt-Svc, ALPN did not properly validate certificates when the original server is redirecting to     an insecure site. (CVE-2025-0239)

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-2025:0275 advisory.

    Mozilla Thunderbird is a standalone mail and newsgroup client.

    Security Fix(es):

    * firefox: thunderbird: Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and     Thunderbird 128.6 (CVE-2025-0243)

    * firefox: thunderbird: Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 115.19,     Firefox ESR 128.6, Thunderbird 115.19, and Thunderbird 128.6 (CVE-2025-0242)

    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 version of firefox installed on the remote host is prior to 128.7.0-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2FIREFOX-2025-035 advisory.

    The origin of an external protocol handler prompt could have been obscured using a data: URL within an     `iframe`. This vulnerability affects Firefox < 132, Firefox ESR < 128.4, Thunderbird < 128.4, and     Thunderbird < 132. (CVE-2024-10460)

    In multipart/x-mixed-replace responses, `Content-Disposition: attachment` in the response header was not     respected and did not force a download, which could allow XSS attacks. This vulnerability affects Firefox     < 132, Firefox ESR < 128.4, Thunderbird < 128.4, and Thunderbird < 132. (CVE-2024-10461)

    Truncation of a long URL could have allowed origin spoofing in a permission prompt. This vulnerability     affects Firefox < 132, Firefox ESR < 128.4, Thunderbird < 128.4, and Thunderbird < 132. (CVE-2024-10462)

    Repeated writes to history interface attributes could have been used to cause a Denial of Service     condition in the browser. This was addressed by introducing rate-limiting to this API. This vulnerability     affects Firefox < 132, Firefox ESR < 128.4, Thunderbird < 128.4, and Thunderbird < 132. (CVE-2024-10464)

    A clipboard paste button could persist across tabs which allowed a spoofing attack. This vulnerability     affects Firefox < 132, Firefox ESR < 128.4, Thunderbird < 128.4, and Thunderbird < 132. (CVE-2024-10465)

    By sending a specially crafted push message, a remote server could have hung the parent process, causing     the browser to become unresponsive. This vulnerability affects Firefox < 132, Firefox ESR < 128.4,     Thunderbird < 128.4, and Thunderbird < 132. (CVE-2024-10466)

    Memory safety bugs present in Firefox 131, Firefox ESR 128.3, and Thunderbird 128.3. 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 < 132, Firefox ESR < 128.4,     Thunderbird < 128.4, and Thunderbird < 132. (CVE-2024-10467)

    Potential race conditions in IndexedDB could have caused memory corruption, leading to a potentially     exploitable crash. This vulnerability affects Firefox < 132 and Thunderbird < 132. (CVE-2024-10468)

    A malicious website could have included an iframe with an malformed URI resulting in a non-exploitable     browser crash. This vulnerability affects Firefox < 126. (CVE-2024-10941)

    An attacker could write data to the user's clipboard, bypassing the user prompt, during a certain sequence     of navigational events. This vulnerability affects Firefox < 129. (CVE-2024-8900)

    It is currently unknown if this issue is exploitable but a condition may arise where the structured clone     of certain objects could lead to memory corruption. This vulnerability affects Firefox < 131, Firefox ESR     < 128.3, Thunderbird < 128.3, and Thunderbird < 131. (CVE-2024-9396)

    A missing delay in directory upload UI could have made it possible for an attacker to trick a user into     granting permission via clickjacking. This vulnerability affects Firefox < 131, Firefox ESR < 128.3,     Thunderbird < 128.3, and Thunderbird < 131. (CVE-2024-9397)

    A website configured to initiate a specially crafted WebTransport session could crash the Firefox process     leading to a denial of service condition. This vulnerability affects Firefox < 131, Firefox ESR < 128.3,     Thunderbird < 128.3, and Thunderbird < 131. (CVE-2024-9399)

    A potential memory corruption vulnerability could be triggered if an attacker had the ability to trigger     an OOM at a specific moment during JIT compilation. This vulnerability affects Firefox < 131, Firefox ESR     < 128.3, Thunderbird < 128.3, and Thunderbird < 131. (CVE-2024-9400)

    Assuming a controlled failed memory allocation, an attacker could have caused a use-after-free, leading to     a potentially exploitable crash. This vulnerability affects Firefox < 134, Firefox ESR < 128.6, Firefox     ESR < 115.19, Thunderbird < 134, and Thunderbird ESR < 128.6. (CVE-2025-0238)

    Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 115.18, Firefox ESR 128.5,     Thunderbird 115.18, and Thunderbird 128.5. 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 < 134, Firefox ESR < 128.6, Firefox ESR < 115.19, Thunderbird < 134, and     Thunderbird ESR < 128.6. (CVE-2025-0242)

    An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable     crash. This vulnerability affects Firefox < 135, Firefox ESR < 115.20, Firefox ESR < 128.7, Thunderbird <     128.7, and Thunderbird < 135. (CVE-2025-1009)

    An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially     exploitable crash. This vulnerability affects Firefox < 135, Firefox ESR < 115.20, Firefox ESR < 128.7,     Thunderbird < 128.7, and Thunderbird < 135. (CVE-2025-1010)

    A bug in WebAssembly code generation could have lead to a crash. It may have been possible for an attacker     to leverage this to achieve code execution. This vulnerability affects Firefox < 135, Firefox ESR < 128.7,     Thunderbird < 128.7, and Thunderbird < 135. (CVE-2025-1011)

    A race during concurrent delazification could have led to a use-after-free. This vulnerability affects     Firefox < 135, Firefox ESR < 115.20, Firefox ESR < 128.7, Thunderbird < 128.7, and Thunderbird < 135.
    (CVE-2025-1012)

    A race condition could have led to private browsing tabs being opened in normal browsing windows. This     could have resulted in a potential privacy leak. This vulnerability affects Firefox < 135, Firefox ESR <     128.7, Thunderbird < 128.7, and Thunderbird < 135. (CVE-2025-1013)

    Certificate length was not properly checked when added to a certificate store. In practice only trusted     data was processed. This vulnerability affects Firefox < 135, Firefox ESR < 128.7, Thunderbird < 128.7,     and Thunderbird < 135. (CVE-2025-1014)

    Memory safety bugs present in Firefox 134, Thunderbird 134, Firefox ESR 115.19, Firefox ESR 128.6,     Thunderbird 115.19, and Thunderbird 128.6. 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 < 135, Firefox ESR < 115.20, Firefox ESR < 128.7, Thunderbird < 128.7, and     Thunderbird < 135. (CVE-2025-1016)

    Memory safety bugs present in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and Thunderbird 128.6. 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 < 135, Firefox ESR <     128.7, Thunderbird < 128.7, and Thunderbird < 135. (CVE-2025-1017)

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 remote host is affected by the vulnerability described in GLSA-202505-03 (Mozilla Thunderbird: Multiple Vulnerabilities)

    Multiple vulnerabilities have been discovered in Mozilla Thunderbird. Please review the CVE identifiers     referenced below for details.

Tenable has extracted the preceding description block directly from the Gentoo 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 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2025-9544:01 advisory.

    * firefox: Use-after-free when breaking lines in text (CVE-2025-0238)
      * firefox: Memory corruption when using JavaScript Text Segmentation (CVE-2025-0241)
      * firefox: Alt-Svc ALPN validation failure when redirected (CVE-2025-0239)
      * firefox: thunderbird: Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and     Thunderbird 128.6 (CVE-2025-0243)
      * firefox: thunderbird: Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 115.19,     Firefox ESR 128.6, Thunderbird 115.19, and Thunderbird 128.6 (CVE-2025-0242)
      * firefox: WebChannel APIs susceptible to confused deputy attack (CVE-2025-0237)
      * firefox: Compartment mismatch when parsing JavaScript JSON module (CVE-2025-0240)

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 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2025-9585:03 advisory.

    firefox: thunderbird: CSP Bypass and XSS Exposure via Web Compatibility     Shims (CVE-2024-11694)         firefox: thunderbird: Unhandled Exception in Add-on Signature Verification     (CVE-2024-11696)         firefox: thunderbird: Select list elements could be shown over another site     (CVE-2024-11692)         firefox: thunderbird: Memory safety bugs fixed in Firefox 133, Thunderbird     133, Firefox ESR 128.5, and Thunderbird 128.5 (CVE-2024-11699)         firefox: thunderbird: URL Bar Spoofing via Manipulated Punycode and     Whitespace Characters (CVE-2024-11695)         firefox: thunderbird: Improper Keypress Handling in Executable File     Confirmation Dialog (CVE-2024-11697)     firefox: Use-after-free when breaking lines in text (CVE-2025-0238)     firefox: Memory corruption when using JavaScript Text Segmentation     (CVE-2025-0241)     firefox: Alt-Svc ALPN validation failure when redirected (CVE-2025-0239)     firefox: thunderbird: Memory safety bugs fixed in Firefox 134, Thunderbird 134,     Firefox ESR 128.6, and Thunderbird 128.6 (CVE-2025-0243)     firefox: thunderbird: Memory safety bugs fixed in Firefox 134, Thunderbird 134,     Firefox ESR 115.19, Firefox ESR 128.6, Thunderbird 115.19, and Thunderbird 128.6     (CVE-2025-0242)     firefox: WebChannel APIs susceptible to confused deputy attack (CVE-2025-0237)     firefox: Compartment mismatch when parsing JavaScript JSON module     (CVE-2025-0240)     CVE(s):
    CVE-2024-11692     An attacker could cause a select dropdown to be shown over another tab; this could have led to user     confusion and possible spoofing attacks. This vulnerability affects Firefox < 133, Firefox ESR < 128.5,     Thunderbird < 133, and Thunderbird < 128.5.
    CVE-2024-11694     Enhanced Tracking Protection's Strict mode may have inadvertently allowed a CSP `frame-src` bypass and     DOM-based XSS through the Google SafeFrame shim in the Web Compatibility extension. This issue could have     exposed users to malicious frames masquerading as legitimate content. This vulnerability affects Firefox <     133, Firefox ESR < 128.5, Firefox ESR < 115.18, Thunderbird < 133, Thunderbird < 128.5, and Thunderbird <     115.18.
    CVE-2024-11695     A crafted URL containing Arabic script and whitespace characters could have hidden the true origin of the     page, resulting in a potential spoofing attack. This vulnerability affects Firefox < 133, Firefox ESR <     128.5, Thunderbird < 133, and Thunderbird < 128.5.
    CVE-2024-11696     The application failed to account for exceptions thrown by the `loadManifestFromFile` method during add-on     signature verification. This flaw, triggered by an invalid or unsupported extension manifest, could have     caused runtime errors that disrupted the signature validation process. As a result, the enforcement of     signature validation for unrelated add-ons may have been bypassed. Signature validation in this context is     used to ensure that third-party applications on the user's computer have not tampered with the user's     extensions, limiting the impact of this issue. This vulnerability affects Firefox < 133, Firefox ESR <     128.5, Thunderbird < 133, and Thunderbird < 128.5.
    CVE-2024-11697     When handling keypress events, an attacker may have been able to trick a user into bypassing the Open     Executable File? confirmation dialog. This could have led to malicious code execution. This vulnerability     affects Firefox < 133, Firefox ESR < 128.5, Thunderbird < 133, and Thunderbird < 128.5.
    CVE-2024-11699     Memory safety bugs present in Firefox 132, Firefox ESR 128.4, and Thunderbird 128.4. 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 < 133, Firefox ESR < 128.5,     Thunderbird < 133, and Thunderbird < 128.5.
    CVE-2025-0237     The WebChannel API, which is used to transport various information across processes, did not check the     sending principal but rather accepted the principal being sent. This could have led to privilege     escalation attacks. This vulnerability affects Firefox < 134, Firefox ESR < 128.6, Thunderbird < 134, and     Thunderbird < 128.6.
    CVE-2025-0238     Assuming a controlled failed memory allocation, an attacker could have caused a use-after-free, leading to     a potentially exploitable crash. This vulnerability affects Firefox < 134, Firefox ESR < 128.6, Firefox     ESR < 115.19, Thunderbird < 134, and Thunderbird < 128.6.
    CVE-2025-0239     When using Alt-Svc, ALPN did not properly validate certificates when the original server is redirecting to     an insecure site. This vulnerability affects Firefox < 134, Firefox ESR < 128.6, Thunderbird < 134, and     Thunderbird < 128.6.
    CVE-2025-0240     Parsing a JavaScript module as JSON could under some circumstances cause cross-compartment access, which     may result in a use-after-free. This vulnerability affects Firefox < 134, Firefox ESR < 128.6, Thunderbird     < 134, and Thunderbird < 128.6.
    CVE-2025-0241     When segmenting specially crafted text, segmentation would corrupt memory leading to a potentially     exploitable crash. This vulnerability affects Firefox < 134, Firefox ESR < 128.6, Thunderbird < 134, and     Thunderbird < 128.6.
    CVE-2025-0242     Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 115.18, Firefox ESR 128.5,     Thunderbird 115.18, and Thunderbird 128.5. 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 < 134, Firefox ESR < 128.6, Firefox ESR < 115.19, Thunderbird < 134, and     Thunderbird < 128.6.
    CVE-2025-0243     Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 128.5, and Thunderbird 128.5. 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 < 134, Firefox ESR <     128.6, Thunderbird < 134, and Thunderbird < 128.6.

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.

ID	Name	Product	Family	Published	Updated	Severity
213630	Mozilla Thunderbird ESR < 128.6	Nessus	MacOS X Local Security Checks	1/9/2025	1/31/2025	high
213631	Mozilla Thunderbird ESR < 128.6	Nessus	Windows	1/9/2025	1/31/2025	high
213632	Mozilla Thunderbird < 134.0	Nessus	MacOS X Local Security Checks	1/9/2025	11/18/2025	medium
213640	RHEL 9 : firefox (RHSA-2025:0135)	Nessus	Red Hat Local Security Checks	1/9/2025	6/5/2025	high
213725	AlmaLinux 9 : firefox (ALSA-2025:0080)	Nessus	Alma Linux Local Security Checks	1/10/2025	2/6/2025	high
213729	AlmaLinux 8 : firefox (ALSA-2025:0144)	Nessus	Alma Linux Local Security Checks	1/10/2025	2/6/2025	high
213963	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : MozillaFirefox (SUSE-SU-2025:0059-1)	Nessus	SuSE Local Security Checks	1/11/2025	2/6/2025	high
214013	Mozilla Thunderbird < 128.6	Nessus	Windows	1/13/2025	11/18/2025	high
214059	RHEL 8 : thunderbird (RHSA-2025:0275)	Nessus	Red Hat Local Security Checks	1/14/2025	6/5/2025	high
216952	Amazon Linux 2 : firefox (ALASFIREFOX-2025-035)	Nessus	Amazon Linux Local Security Checks	3/1/2025	3/6/2025	critical
235704	GLSA-202505-03 : Mozilla Thunderbird: Multiple Vulnerabilities	Nessus	Gentoo Local Security Checks	5/12/2025	5/12/2025	medium
283038	MiracleLinux 8 : firefox-128.6.0-1.el8_10.ML.1 (AXSA:2025-9544:01)	Nessus	Miracle Linux Local Security Checks	1/13/2026	1/13/2026	high
283392	MiracleLinux 7 : firefox-128.6.0-1.0.1.el7.AXS7 (AXSA:2025-9585:03)	Nessus	Miracle Linux Local Security Checks	1/13/2026	1/13/2026	high

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