INFSA-2025:7496: libxslt security update

Information about definition

Identificator: INFSA-2025:7496

Type: security

Release date: 2025-07-15 19:35:36 UTC

Information about package

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.

Vulnerabilities description

  • CVE-2024-55549

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

  • 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.

Severity level

CVE Score CVSS 2.0 Score CVSS 3.x Score CVSS 4.0
no information 7.8 no information
no information 7.8 no information
Critical, important, moderate, low

Updated packages