CVE-2025-24855
7.8
HIGH
CVSS 3.1
EPSS 0.09%
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.
How to fix CVE-2025-24855
To remediate CVE-2025-24855, upgrade the affected package to a fixed version below.
- Alpine/libxslt—upgrade to 1.1.38-r1 or later
- —upgrade to 1.8.0 or later
- —upgrade to 1.8.0 or later
- —upgrade to 1.8.0 or later
- —upgrade to 1.1.34-4+deb11u2 or later
Is CVE-2025-24855 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (5)
- from 0, < 1.1.38-r1
- from 0, < 1.8.0, >= 1.9.0, < 8.0.461
- from 0, < 1.8.0, >= 1.9.0, < 8.0.461
- from 0, < 1.8.0, >= 1.9.0, < 8.0.461
- from 0, < 1.1.34-4+deb11u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |