CVE-2025-24855

Publication date 14 March 2025

Last updated 1 October 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.8 · High

Score breakdown

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.

Status

Package Ubuntu Release Status
libxslt 25.04 plucky
Fixed 1.1.39-0exp1ubuntu4
24.10 oracular
Fixed 1.1.39-0exp1ubuntu1.2
24.04 LTS noble
Fixed 1.1.39-0exp1ubuntu0.24.04.2
22.04 LTS jammy
Fixed 1.1.34-4ubuntu0.22.04.3
20.04 LTS focal
Fixed 1.1.34-4ubuntu0.20.04.3
18.04 LTS bionic
Fixed 1.1.29-5ubuntu0.3+esm2
16.04 LTS xenial
Fixed 1.1.28-2.1ubuntu0.3+esm3
14.04 LTS trusty
Fixed 1.1.28-2ubuntu0.2+esm4

Get expanded security coverage with Ubuntu Pro

Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use.

Get Ubuntu Pro 30-day free trial

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
libxslt

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.8 · High

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

References

Related Ubuntu Security Notices (USN)

    • USN-7787-1
    • Libxslt vulnerabilities
    • 30 September 2025

Other references

Access our resources on patching vulnerabilities