HIGH 7.8 Microsoft
CVE-2025-24855
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.
Microsoft Security Update 2025-Mar: 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.
Affected Products
- cbl2 libxslt 1.1.34-8 on CBL Mariner 2.0
- azl3 libxslt 1.1.39-1 on Azure Linux 3.0
- azl3 libxslt 1.1.43-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24855
- https://nvd.nist.gov/vuln/detail/CVE-2025-24855
This high severity vulnerability with a CVSS score of 7.8 was published on 2025-03-11 via Microsoft. Affected: cbl2 libxslt 1.1.34-8 on CBL Mariner 2.0, azl3 libxslt 1.1.39-1 on Azure Linux 3.0, azl3 libxslt 1.1.43-1 on Azure Linux 3.0.
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