CVE-2025-24855
libxslt1.1: numbers.c in libxslt before 1.1.43 has a use-after-free because, in nestedXPath evaluations, an XPath context node ca...
CVE-2025-24855 is fixed in 10 products on 1 platform, first by libxslt1.1 1.1.29-5ubuntu0.3+esm2, released March 13, 2025. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.8
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0036
29th percentile
numbers.c in libxslt before 1.1.43 has a use-after-free because, in nestedXPath evaluations, an XPath context node can be modified but neverrestored. This is related to xsltNumberFormatGetValue,xsltEvalXPathPredicate, xsltEvalXPathStringNs, andxsltComputeSortResultInternal.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libxslt · Debian 12.15 (bookworm) | 1.1.35-1+deb12u1 | DEBIAN-CVE-2025-24855 | Mar 14, 2025 |
| libxslt · Debian 13.5 (trixie) | 1.1.35-1.2 | DEBIAN-CVE-2025-24855 | Mar 14, 2025 |
| libxslt · Debian 14 | 1.1.35-1.2 | DEBIAN-CVE-2025-24855 | Mar 14, 2025 |
| libxslt · RHEL 10 | 1.1.39-7.el10_0 | RHSA-2025:7496 | Mar 14, 2025 |
| libxslt · RHEL 8 | 0:1.1.32-6.1.el8_10 | RHSA-2025:3615 | Apr 7, 2025 |
| libxslt · RHEL 9 | 0:1.1.34-9.el9_5.1 | RHSA-2025:3107 | Mar 24, 2025 |
| libxslt · almalinux 10 | 1.1.39-7.el10_0 | ALSA-2025:7496 | May 13, 2025 |
| libxslt · almalinux 8 | 1.1.32-6.1.el8_10 | ALSA-2025:3615 | Apr 7, 2025 |
| libxslt · almalinux 9 | 1.1.34-9.el9_5.1 | ALSA-2025:3107 | Mar 24, 2025 |
| libxslt · amzn 2023 | 1.1.43-1.amzn2023.0.1 | ALAS2023-2025-909 | Mar 26, 2025 |
| libxslt · ol 10 | 0:1.1.39-7.el10_0 | ELSA-2025-7496 | Jun 26, 2025 |
| libxslt · ol 8 | 0:1.1.32-6.1.0.1.el8_10 | ELSA-2025-3615 | Apr 7, 2025 |
| libxslt · ol 9 | 0:1.1.34-9.0.1.el9_5.1 | ELSA-2025-3107 | Mar 24, 2025 |
| libxslt · opensuse-leap 15.6 | 1.1.34-150400.3.6.1 | SUSE-SU-2025:1125-1 | Apr 3, 2025 |
| libxslt · rocky 10 | 0:1.1.39-7.el10_0 | RLSA-2025:7496 | Oct 3, 2025 |
| libxslt · rocky 8 | 0:1.1.32-6.1.el8_10 | RLSA-2025:3615 | Jul 29, 2025 |
| libxslt · sles 15.6 | 1.1.34-150400.3.6.1 | SUSE-SU-2025:1125-1 | Apr 3, 2025 |
| libxslt-debuginfo · amzn 2023 | 1.1.43-1.amzn2023.0.1 | ALAS2023-2025-909 | Mar 26, 2025 |
| libxslt-debugsource · amzn 2023 | 1.1.43-1.amzn2023.0.1 | ALAS2023-2025-909 | Mar 26, 2025 |
| libxslt-devel · RHEL 8 | 0:1.1.32-6.1.el8_10 | RHSA-2025:3615 | Apr 7, 2025 |
| libxslt-devel · RHEL 9 | 0:1.1.34-9.el9_5.1 | RHSA-2025:3107 | Mar 24, 2025 |
| libxslt-devel · almalinux 10 | 1.1.39-7.el10_0 | ALSA-2025:7496 | May 13, 2025 |
| libxslt-devel · almalinux 8 | 1.1.32-6.1.el8_10 | ALSA-2025:3615 | Apr 7, 2025 |
| libxslt-devel · almalinux 9 | 1.1.34-9.el9_5.1 | ALSA-2025:3107 | Mar 24, 2025 |
| libxslt-devel · amzn 2023 | 1.1.43-1.amzn2023.0.1 | ALAS2023-2025-909 | Mar 26, 2025 |
| libxslt-devel · ol 10 | 0:1.1.39-7.el10_0 | ELSA-2025-7496 | Jun 26, 2025 |
| libxslt-devel · ol 8 | 0:1.1.32-6.1.0.1.el8_10 | ELSA-2025-3615 | Apr 7, 2025 |
| libxslt-devel · ol 9 | 0:1.1.34-9.0.1.el9_5.1 | ELSA-2025-3107 | Mar 24, 2025 |
| libxslt-python · opensuse-leap 15.6 | 1.1.32-150000.3.17.1 | SUSE-SU-2025:1003-1 | Mar 25, 2025 |
| libxslt1.1 · Ubuntu 18.04.6 LTS (bionic) | 1.1.29-5ubuntu0.3+esm2 | libxslt1.1 1.1.29-5ubuntu0.3+esm2 | Mar 13, 2025 |
| libxslt1.1 · Ubuntu 20.04 LTS (focal) | 1.1.34-4ubuntu0.20.04.3 | libxslt1.1 1.1.34-4ubuntu0.20.04.3 | Mar 13, 2025 |
| libxslt1.1 · Ubuntu 22.04.1 LTS (jammy) | 1.1.34-4ubuntu0.22.04.3 | libxslt1.1 1.1.34-4ubuntu0.22.04.3 | Mar 13, 2025 |
| libxslt1.1 · Ubuntu 24.04.5 LTS (noble) | 1.1.39-0exp1ubuntu0.24.04.2 | libxslt1.1 1.1.39-0exp1ubuntu0.24.04.2 | Mar 13, 2025 |
| libxslt1.1 · Ubuntu 24.10 (oracular) | 1.1.39-0exp1ubuntu1.2 | libxslt1.1 1.1.39-0exp1ubuntu1.2 | Jan 16, 2026 |
| libxslt1.1 · Ubuntu 25.04 (plucky) | 1.1.39-0exp1ubuntu4 | libxslt1.1 1.1.39-0exp1ubuntu4 | Jan 16, 2026 |
| python-libxslt1 · Ubuntu 18.04.6 LTS (bionic) | 1.1.29-5ubuntu0.3+esm2 | python-libxslt1 1.1.29-5ubuntu0.3+esm2 | Mar 13, 2025 |
| python3-libxslt · amzn 2023 | 1.1.43-1.amzn2023.0.1 | ALAS2023-2025-909 | Mar 26, 2025 |
| python3-libxslt-debuginfo · amzn 2023 | 1.1.43-1.amzn2023.0.1 | ALAS2023-2025-909 | Mar 26, 2025 |
| xsltproc · Ubuntu 18.04.6 LTS (bionic) | 1.1.29-5ubuntu0.3+esm2 | xsltproc 1.1.29-5ubuntu0.3+esm2 | Mar 13, 2025 |
| xsltproc · Ubuntu 20.04 LTS (focal) | 1.1.34-4ubuntu0.20.04.3 | xsltproc 1.1.34-4ubuntu0.20.04.3 | Mar 13, 2025 |
| xsltproc · Ubuntu 22.04.1 LTS (jammy) | 1.1.34-4ubuntu0.22.04.3 | xsltproc 1.1.34-4ubuntu0.22.04.3 | Mar 13, 2025 |
| xsltproc · Ubuntu 24.04.5 LTS (noble) | 1.1.39-0exp1ubuntu0.24.04.2 | xsltproc 1.1.39-0exp1ubuntu0.24.04.2 | Mar 13, 2025 |
| xsltproc · Ubuntu 24.10 (oracular) | 1.1.39-0exp1ubuntu1.2 | xsltproc 1.1.39-0exp1ubuntu1.2 | Jan 16, 2026 |
| xsltproc · Ubuntu 25.04 (plucky) | 1.1.39-0exp1ubuntu4 | xsltproc 1.1.39-0exp1ubuntu4 | Jan 16, 2026 |
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