| Name | CVE-2025-24855 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1100566 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| libxslt (PTS) | bullseye (security), bullseye | 1.1.34-4+deb11u1 | vulnerable |
| bookworm | 1.1.35-1 | vulnerable | |
| sid, trixie | 1.1.35-1.1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| libxslt | source | (unstable) | 1.1.35-1.2 | 1100566 |
https://gitlab.gnome.org/GNOME/libxslt/-/issues/128
Fixed by: https://gitlab.gnome.org/GNOME/libxslt/-/commit/c7c7f1f78dd202a053996fcefe57eb994aec8ef2 (v1.1.43)