CVE-2024-55549

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

xsltGetInheritedNsList in libxslt before 1.1.43 has a use-after-free issue related to exclusion of result prefixes.

Status

Package Ubuntu Release Status
libxslt 25.04 plucky
Fixed 1.1.39-0exp1ubuntu3
24.10 oracular
Fixed 1.1.39-0exp1ubuntu1.1
24.04 LTS noble
Fixed 1.1.39-0exp1ubuntu0.24.04.1
22.04 LTS jammy
Fixed 1.1.34-4ubuntu0.22.04.2
20.04 LTS focal
Fixed 1.1.34-4ubuntu0.20.04.2
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

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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

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

References

Related Ubuntu Security Notices (USN)

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

Other references