CVE-2024-55549: Xmlsoft Libxslt

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

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

Affected products

• Xmlsoft Libxslt: before 1.1.43 (fixed in 1.1.43)

Published 2025-03-14. Last modified 2026-06-17.