CVE-2025-24855 — HIGH (7.8)

Q: How severe is CVE-2025-24855?

CVE-2025-24855 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-24855?

Check the references section above for vendor advisories and patch information. Affected products include: Xmlsoft Libxslt.

Vulnerability 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.

CVSS Score

7.8

HIGH

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

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Xmlsoft	Libxslt	< 1.1.43

Related Weaknesses (CWE)

CWE-416

References

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

FAQ

What is CVE-2025-24855?

CVE-2025-24855 is a vulnerability with a CVSS score of 7.8 (HIGH). 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, xsl...

How severe is CVE-2025-24855?

CVE-2025-24855 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-24855?

Check the references section above for vendor advisories and patch information. Affected products include: Xmlsoft Libxslt.