CVE-2025-24855

Publication date 14 March 2025

Last updated 30 May 2025

Ubuntu priority

Cvss 3 Severity Score

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

Show unmaintained releases

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	Needs evaluation
	16.04 LTS xenial	Needs evaluation
	14.04 LTS trusty	Needs evaluation

Patch details

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

Package	Patch details
libxslt	Upstream: c7c7f1f

Severity score breakdown

Parameter	Value
Base score	7.8 · High
Attack vector	Local
Attack complexity	High
Privileges required	None
User interaction	None
Scope	Changed
Confidentiality	None
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H

CVE-2025-24855

Cvss 3 Severity Score

Status

Patch details

Severity score breakdown

References

Related Ubuntu Security Notices (USN)

Other references