The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 744966b3-93d8-11f0-b8da-589cfc10a551 advisory.

    expat security advisory:
    libexpat allows attackers to trigger large dynamic memory allocations               via a small document that is submitted for parsing.

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

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

The remote Fedora 41 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-cc94888079 advisory.

    Update to expat-2.7.2, fixes CVE-2025-59375.

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.

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2025-1196 advisory.

    libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small     document that is submitted for parsing. (CVE-2025-59375)

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

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

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2025-1203 advisory.

    Sandbox escape due to use-after-free in the Graphics: Canvas2D component.

    This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
    (CVE-2025-10527)

    Sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canvas2D component.

    This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
    (CVE-2025-10528)

    Same-origin policy bypass in the Layout component.

    This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
    (CVE-2025-10529)

    Incorrect boundary conditions in the JavaScript: GC component.

    This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
    (CVE-2025-10532)

    Integer overflow in the SVG component.

    This vulnerability affects Firefox < 143, Firefox ESR < 115.28, Firefox ESR < 140.3, Thunderbird < 143,     and Thunderbird < 140.3. (CVE-2025-10533)

    Information disclosure in the Networking: Cache component.

    This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
    (CVE-2025-10536)

    Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142.
    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 < 143, Firefox     ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3. (CVE-2025-10537)

    libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small     document that is submitted for parsing. (CVE-2025-59375)

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 expat installed on the remote host is prior to 2.7.2. It is, therefore, affected by a vulnerability as referenced in the SSA:2025-260-01 advisory.

    New expat packages are available for Slackware 15.0 and -current to fix security issues.

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

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

The remote Fedora 41 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2025-d936540ef5 advisory.

    Rebase to 2.7.2

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

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

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-790553f7f2 advisory.

    Update to expat-2.7.2, fixes CVE-2025-59375.

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 Fedora 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-31169045f8 advisory.

    Update to expat-2.7.2, fixes CVE-2025-59375.

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 version of expat installed on the remote host is prior to 2.7.3. It is, therefore, affected by a vulnerability as referenced in the SSA:2025-268-01 advisory.

    New expat packages are available for Slackware 15.0 and -current to fix a security issue.

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

Note that Nessus has not tested for this issue 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.

  - libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small     document that is submitted for parsing. (CVE-2025-59375)

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

The remote Fedora 42 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2025-639f53ea67 advisory.

    Rebase to 2.7.2

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

Note that Nessus has not tested for this issue 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 140.3.0-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2025-3008 advisory.

    Sandbox escape due to use-after-free in the Graphics: Canvas2D component.

    This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
    (CVE-2025-10527)

    Sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canvas2D component.

    This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
    (CVE-2025-10528)

    Same-origin policy bypass in the Layout component.

    This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
    (CVE-2025-10529)

    Incorrect boundary conditions in the JavaScript: GC component.

    This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
    (CVE-2025-10532)

    Integer overflow in the SVG component.

    This vulnerability affects Firefox < 143, Firefox ESR < 115.28, Firefox ESR < 140.3, Thunderbird < 143,     and Thunderbird < 140.3. (CVE-2025-10533)

    Information disclosure in the Networking: Cache component.

    This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
    (CVE-2025-10536)

    Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142.
    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 < 143, Firefox     ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3. (CVE-2025-10537)

    libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small     document that is submitted for parsing. (CVE-2025-59375)

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 140.3.0-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2FIREFOX-2025-043 advisory.

    Sandbox escape due to use-after-free in the Graphics: Canvas2D component.

    This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
    (CVE-2025-10527)

    Sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canvas2D component.

    This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
    (CVE-2025-10528)

    Same-origin policy bypass in the Layout component.

    This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
    (CVE-2025-10529)

    Incorrect boundary conditions in the JavaScript: GC component.

    This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
    (CVE-2025-10532)

    Integer overflow in the SVG component.

    This vulnerability affects Firefox < 143, Firefox ESR < 115.28, Firefox ESR < 140.3, Thunderbird < 143,     and Thunderbird < 140.3. (CVE-2025-10533)

    Information disclosure in the Networking: Cache component.

    This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
    (CVE-2025-10536)

    Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142.
    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 < 143, Firefox     ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3. (CVE-2025-10537)

    libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small     document that is submitted for parsing. (CVE-2025-59375)

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	Name	Product	Family	Published	Updated	Severity
265455	FreeBSD : expat -- dynamic memory allocations issue (744966b3-93d8-11f0-b8da-589cfc10a551)	Nessus	FreeBSD Local Security Checks	9/19/2025	9/19/2025	high
265955	Fedora 41 : mingw-expat (2025-cc94888079)	Nessus	Fedora Local Security Checks	9/26/2025	9/26/2025	high
266185	Amazon Linux 2023 : expat, expat-devel, expat-static (ALAS2023-2025-1196)	Nessus	Amazon Linux Local Security Checks	9/30/2025	9/30/2025	high
266186	Amazon Linux 2023 : firefox (ALAS2023-2025-1203)	Nessus	Amazon Linux Local Security Checks	9/30/2025	9/30/2025	high
265364	Slackware Linux 15.0 / current expat Vulnerability (SSA:2025-260-01)	Nessus	Slackware Local Security Checks	9/18/2025	9/19/2025	high
265818	Fedora 41 : expat (2025-d936540ef5)	Nessus	Fedora Local Security Checks	9/25/2025	9/25/2025	high
265939	Fedora 43 : mingw-expat (2025-790553f7f2)	Nessus	Fedora Local Security Checks	9/26/2025	9/26/2025	high
265941	Fedora 42 : mingw-expat (2025-31169045f8)	Nessus	Fedora Local Security Checks	9/26/2025	9/26/2025	high
265978	Slackware Linux 15.0 / current expat Vulnerability (SSA:2025-268-01)	Nessus	Slackware Local Security Checks	9/26/2025	9/26/2025	high
265182	Linux Distros Unpatched Vulnerability : CVE-2025-59375	Nessus	Misc.	9/17/2025	9/19/2025	high
265436	Fedora 42 : expat (2025-639f53ea67)	Nessus	Fedora Local Security Checks	9/19/2025	9/19/2025	high
266152	Amazon Linux 2 : thunderbird, --advisory ALAS2-2025-3008 (ALAS-2025-3008)	Nessus	Amazon Linux Local Security Checks	9/30/2025	9/30/2025	high
266154	Amazon Linux 2 : firefox, --advisory ALAS2FIREFOX-2025-043 (ALASFIREFOX-2025-043)	Nessus	Amazon Linux Local Security Checks	9/30/2025	9/30/2025	high

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