CVE-2024-55549

Name: CVE-2024-55549
Creator: NVD / NIST
Published: 2025-03-14T02:15:15.333+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.32%

Last modified Jun 17, 2026

CVE-2024-55549 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. xsltGetInheritedNsList in libxslt before 1.1.43 has a use-after-free issue related to exclusion of result prefixes.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.32%

24.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Xmlsoft	Libxslt	< 1.1.43

References

https://gitlab.gnome.org/GNOME/libxslt/-/issues/127Exploit, Issue Tracking, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2025/03/msg00015.html

Timeline

Published: Mar 14, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-55549?

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

How severe is CVE-2024-55549?

CVE-2024-55549 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2024-55549?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-55549?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST