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. This is related to xsltNumberFormatGetValue, xsltEvalXPathPredicate, xsltEvalXPathStringNs, and xsltComputeSortResultInternal.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
HIGH
NONE
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H
mitreCNA
7.8 HIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H
CISA-ADPADP
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 1%
Debian logo
Debian Releases
Debian Product
Codename
libxslt
bullseye
vulnerable
bullseye (security)
1.1.34-4+deb11u3
fixed
bookworm
1.1.35-1+deb12u2
fixed
bookworm (security)
1.1.35-1+deb12u3
fixed
trixie
1.1.35-1.2+deb13u1
fixed
trixie (security)
1.1.35-1.2+deb13u2
fixed
forky
1.1.43-0.2
fixed
sid
1.1.43-0.2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libxslt
plucky
Fixed 1.1.39-0exp1ubuntu4
released
oracular
Fixed 1.1.39-0exp1ubuntu1.2
released
noble
Fixed 1.1.39-0exp1ubuntu0.24.04.2
released
jammy
Fixed 1.1.34-4ubuntu0.22.04.3
released
focal
Fixed 1.1.34-4ubuntu0.20.04.3
released
bionic
Fixed 1.1.29-5ubuntu0.3+esm2
released
xenial
Fixed 1.1.28-2.1ubuntu0.3+esm3
released
trusty
Fixed 1.1.28-2ubuntu0.2+esm4
released
Common Weakness Enumeration
References
https://gitlab.gnome.org/GNOME/libxslt/-/issues/128