CVE-2025-24855

7.8 highEPSS 0.4%

High (7.8) in xmlsoft libxslt. EPSS 0.4% chance of exploitation in the next 30 days.

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

CVSS 3.1

7.8 high

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 29% of CVEs (scores of 2026-10-31)
CWE: CWE-416
Published: 2025-03-14
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

xmlsoft:libxslt

References

https://gitlab.gnome.org/GNOME/libxslt/-/issues/128
https://lists.debian.org/debian-lts-announce/2025/03/msg00015.html

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