CVE Catalog
CVE-2025-24855
MediumSummary
In libxslt before 1.1.43, numbers.c has a use-after-free because in nested XPath evaluations, an XPath context node can be modified but never restored. Affects xsltNumberFormatGetValue, xsltEvalXPathPredicate, xsltEvalXPathStringNs, and xsltComputeSortResultInternal.
Risk Assessment
An attacker could exploit this to execute arbitrary code or crash applications processing XSLT transformations.
Recommendation
Update libxslt to version 1.1.43 or later.
Original NVD description (English source)
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.