xsltGetInheritedNsList in libxslt before 1.1.43 has a use-after-free issue related to exclusion of result prefixes.

vendor_unpatched cve-2024-55549: Unpatched CVEs for Debian Linux (cve-2024-55549)

The version of libxslt installed on the remote host is prior to 1.1.28-6. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2025-2823 advisory.

    xsltGetInheritedNsList in libxslt before 1.1.43 has a use-after-free issue related to exclusion of result     prefixes. (CVE-2024-55549)

    numbers.c in libxslt before 1.1.43 has a use-after-free because, in nested XPath evaluations, an XPath     context node can be modified but never restored. This is related to xsltNumberFormatGetValue,     xsltEvalXPathPredicate, xsltEvalXPathStringNs, and xsltComputeSortResultInternal. (CVE-2025-24855)

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 Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:3627 advisory.

    libxslt is a library for transforming XML files into other textual formats (including HTML, plain text,     and other XML representations of the underlying data) using the standard XSLT stylesheet transformation     mechanism.

    Security Fix(es):

    * libxslt: Use-After-Free in libxslt numbers.c (CVE-2025-24855)

    * libxslt: Use-After-Free in libxslt (xsltGetInheritedNsList) (CVE-2024-55549)

    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 packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:3625 advisory.

    libxslt is a library for transforming XML files into other textual formats (including HTML, plain text,     and other XML representations of the underlying data) using the standard XSLT stylesheet transformation     mechanism.

    Security Fix(es):

    * libxslt: Use-After-Free in libxslt numbers.c (CVE-2025-24855)

    * libxslt: Use-After-Free in libxslt (xsltGetInheritedNsList) (CVE-2024-55549)

    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 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:3614 advisory.

    libxslt is a library for transforming XML files into other textual formats (including HTML, plain text,     and other XML representations of the underlying data) using the standard XSLT stylesheet transformation     mechanism.

    Security Fix(es):

    * libxslt: Use-After-Free in libxslt (xsltGetInheritedNsList) (CVE-2024-55549)

    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 this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:3626 advisory.

    libxslt is a library for transforming XML files into other textual formats (including HTML, plain text,     and other XML representations of the underlying data) using the standard XSLT stylesheet transformation     mechanism.

    Security Fix(es):

    * libxslt: Use-After-Free in libxslt numbers.c (CVE-2025-24855)

    * libxslt: Use-After-Free in libxslt (xsltGetInheritedNsList) (CVE-2024-55549)

    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 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:3612 advisory.

    libxslt is a library for transforming XML files into other textual formats (including HTML, plain text,     and other XML representations of the underlying data) using the standard XSLT stylesheet transformation     mechanism.

    Security Fix(es):

    * libxslt: Use-After-Free in libxslt numbers.c (CVE-2025-24855)

    * libxslt: Use-After-Free in libxslt (xsltGetInheritedNsList) (CVE-2024-55549)

    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 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:3613 advisory.

    libxslt is a library for transforming XML files into other textual formats (including HTML, plain text,     and other XML representations of the underlying data) using the standard XSLT stylesheet transformation     mechanism.

    Security Fix(es):

    * libxslt: Use-After-Free in libxslt (xsltGetInheritedNsList) (CVE-2024-55549)

    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 this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:3619 advisory.

    libxslt is a library for transforming XML files into other textual formats (including HTML, plain text,     and other XML representations of the underlying data) using the standard XSLT stylesheet transformation     mechanism.

    Security Fix(es):

    * libxslt: Use-After-Free in libxslt numbers.c (CVE-2025-24855)

    * libxslt: Use-After-Free in libxslt (xsltGetInheritedNsList) (CVE-2024-55549)

    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 packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:3615 advisory.

    libxslt is a library for transforming XML files into other textual formats (including HTML, plain text,     and other XML representations of the underlying data) using the standard XSLT stylesheet transformation     mechanism.

    Security Fix(es):

    * libxslt: Use-After-Free in libxslt numbers.c (CVE-2025-24855)

    * libxslt: Use-After-Free in libxslt (xsltGetInheritedNsList) (CVE-2024-55549)

    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 packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:3624 advisory.

    libxslt is a library for transforming XML files into other textual formats (including HTML, plain text,     and other XML representations of the underlying data) using the standard XSLT stylesheet transformation     mechanism.

    Security Fix(es):

    * libxslt: Use-After-Free in libxslt numbers.c (CVE-2025-24855)

    * libxslt: Use-After-Free in libxslt (xsltGetInheritedNsList) (CVE-2024-55549)

    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 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-3615 advisory.

    - Fix CVE-2024-55549 (RHEL-83506)

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 AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2025:3615 advisory.

    * libxslt: Use-After-Free in libxslt numbers.c (CVE-2025-24855)
      * libxslt: Use-After-Free in libxslt (xsltGetInheritedNsList) (CVE-2024-55549)

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-2025:1125-1 advisory.

    - CVE-2023-40403: Fixed sensitive information disclosure during processing web content (bsc#1238591)
    - CVE-2024-55549: Fixed use-after-free in xsltGetInheritedNsList (bsc#1239637)
    - CVE-2025-24855: Fixed use-after-free in numbers.c (bsc#1239625)

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 libxslt installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-55549 advisory.

  - xsltGetInheritedNsList in libxslt before 1.1.43 has a use-after-free issue related to exclusion of result     prefixes. (CVE-2024-55549)

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 ALAS2023-2025-909 advisory.

    xsltGetInheritedNsList in libxslt before 1.1.43 has a use-after-free issue related to exclusion of result     prefixes. (CVE-2024-55549)

    numbers.c in libxslt before 1.1.43 has a use-after-free because, in nested XPath evaluations, an XPath     context node can be modified but never restored. This is related to xsltNumberFormatGetValue,     xsltEvalXPathPredicate, xsltEvalXPathStringNs, and xsltComputeSortResultInternal. (CVE-2025-24855)

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 Fedora 40 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-f7a12118f3 advisory.

    Update to 1.1.43, fixes CVE-2024-55549 and CVE-2025-24855.

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 41 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-fd62ac3fb1 advisory.

    Update to 1.1.43, fixes CVE-2024-55549 and CVE-2025-24855.

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.

An update of the libxslt package has been released.

The remote Fedora 40 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-d4d7cfe35a advisory.

    1.1.43


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 SUSE Linux SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:1003-1 advisory.

    - CVE-2023-40403: Fixed sensitive information disclosure during processing web content (bsc#1238591)
    - CVE-2024-55549: Fixed use-after-free in xsltGetInheritedNsList (bsc#1239637)
    - CVE-2025-24855: Fixed use-after-free in numbers.c (bsc#1239625)

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 libxslt installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-55549 advisory.

  - xsltGetInheritedNsList in libxslt before 1.1.43 has a use-after-free issue related to exclusion of result     prefixes. (CVE-2024-55549)

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

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4089 advisory.

    - -------------------------------------------------------------------------     Debian LTS Advisory DLA-4089-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/                          Adrian Bunk     March 24, 2025                                https://wiki.debian.org/LTS
    - -------------------------------------------------------------------------

    Package        : libxslt     Version        : 1.1.34-4+deb11u2     CVE ID         : CVE-2024-55549 CVE-2025-24855     Debian Bug     : 1100565 1100566

    Two use-after-free vulnerabilities have been fixed in the XSLT     processing library libxslt.

    CVE-2024-55549

        Use-after-free related to excluded namespaces

    CVE-2025-24855

        Use-after-free of XPath context node

    For Debian 11 bullseye, these problems have been fixed in version     1.1.34-4+deb11u2.

    We recommend that you upgrade your libxslt packages.

    For the detailed security status of libxslt please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/libxslt

    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 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5884 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-5884-1                   security@debian.org     https://www.debian.org/security/                     Salvatore Bonaccorso     March 23, 2025                        https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : libxslt     CVE ID         : CVE-2024-55549 CVE-2025-24855     Debian Bug     : 1100565 1100566

    Ivan Fratric discovered two use-after-free vulnerabilities in libxslt,     an XSLT processing runtime library, which may result in the execution of     arbitrary code if a specially crafted files are processed.

    For the stable distribution (bookworm), these problems have been fixed in     version 1.1.35-1+deb12u1.

    We recommend that you upgrade your libxslt packages.

    For the detailed security status of libxslt please refer to its security     tracker page at:
    https://security-tracker.debian.org/tracker/libxslt

    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 Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 host has packages installed that are affected by a vulnerability as referenced in the USN-7357-1 advisory.

    Ivan Fratric discovered that Libxslt incorrectly handled certain memory operations when handling     documents. A remote attacker could use this issue to cause Libxslt to crash, resulting in a denial of     service, or possibly execute arbitrary code.

Tenable has extracted the preceding description block directly from the Ubuntu 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 libxslt installed on the remote host is prior to 1.1.43. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2025-072-01 advisory.

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

Tenable has extracted the preceding description block directly from the libxslt 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	Severity
234517	Amazon Linux 2 : libxslt (ALAS-2025-2823)	Nessus	Amazon Linux Local Security Checks	high
234281	RHEL 9 : libxslt (RHSA-2025:3627)	Nessus	Red Hat Local Security Checks	high
234278	RHEL 8 : libxslt (RHSA-2025:3625)	Nessus	Red Hat Local Security Checks	high
234277	RHEL 9 : libxslt (RHSA-2025:3614)	Nessus	Red Hat Local Security Checks	high
234273	RHEL 8 : libxslt (RHSA-2025:3626)	Nessus	Red Hat Local Security Checks	high
234270	RHEL 7 : libxslt (RHSA-2025:3612)	Nessus	Red Hat Local Security Checks	high
234266	RHEL 9 : libxslt (RHSA-2025:3613)	Nessus	Red Hat Local Security Checks	high
234261	RHEL 8 : libxslt (RHSA-2025:3619)	Nessus	Red Hat Local Security Checks	high
234259	RHEL 8 : libxslt (RHSA-2025:3615)	Nessus	Red Hat Local Security Checks	high
234257	RHEL 8 : libxslt (RHSA-2025:3624)	Nessus	Red Hat Local Security Checks	high
233975	Oracle Linux 8 : libxslt (ELSA-2025-3615)	Nessus	Oracle Linux Local Security Checks	high
233973	AlmaLinux 8 : libxslt (ALSA-2025:3615)	Nessus	Alma Linux Local Security Checks	high
233833	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : libxslt (SUSE-SU-2025:1125-1)	Nessus	SuSE Local Security Checks	medium
233723	Azure Linux 3.0 Security Update: libxslt (CVE-2024-55549)	Nessus	Azure Linux Local Security Checks	high
233718	Amazon Linux 2023 : libxslt, libxslt-devel, python3-libxslt (ALAS2023-2025-909)	Nessus	Amazon Linux Local Security Checks	high
233634	Fedora 40 : mingw-libxslt (2025-f7a12118f3)	Nessus	Fedora Local Security Checks	high
233633	Fedora 41 : mingw-libxslt (2025-fd62ac3fb1)	Nessus	Fedora Local Security Checks	high
233415	Photon OS 5.0: Libxslt PHSA-2025-5.0-0490	Nessus	PhotonOS Local Security Checks	high
233353	Fedora 40 : libxslt (2025-d4d7cfe35a)	Nessus	Fedora Local Security Checks	high
233349	SUSE SLES15 / openSUSE 15 Security Update : libxslt (SUSE-SU-2025:1003-1)	Nessus	SuSE Local Security Checks	medium
233337	CBL Mariner 2.0 Security Update: libxslt (CVE-2024-55549)	Nessus	MarinerOS Local Security Checks	high
233294	Debian dla-4089 : libxslt1-dev - security update	Nessus	Debian Local Security Checks	high
233281	Debian dsa-5884 : libxslt1-dev - security update	Nessus	Debian Local Security Checks	high
232984	Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 : Libxslt vulnerability (USN-7357-1)	Nessus	Ubuntu Local Security Checks	high
232709	Slackware Linux 15.0 / current libxslt Multiple Vulnerabilities (SSA:2025-072-01)	Nessus	Slackware Local Security Checks	critical

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