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CVE-2025-24855

Date: March 13, 2025

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 Score

Related Resources (5)

https://gitlab.gnome.org/GNOME/libxslt/-/issues/128
https://security.alpinelinux.org/vuln/CVE-2025-24855
https://nvd.nist.gov/vuln/detail/CVE-2025-24855
https://security-tracker.debian.org/tracker/CVE-2025-24855
https://www.mend.io/vulnerability-database/CVE-2025-24855

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): HIGH

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