VulnerabilityModified
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.
HIGH 7.8EPSS 0.35%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.35% probability · 28th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- xmlsoft/libxslt
- Source
- cve@mitre.org
References
- https://gitlab.gnome.org/GNOME/libxslt/-/issues/128Exploit, Issue Tracking, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2025/03/msg00015.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.