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Ubuntu 18.04: USN-7787-1 Libxslt Important Memory Handling Issues

ubuntu
Calendar Grey October 1, 2025
Dist Ubuntu Esm H88
Critical issues in Libxslt were resolved in Ubuntu 18.04, 16.04, and 14.04 LTS with important updates.
Several security issues were fixed in Libxslt.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS Summary: Several security issues were fixed in Libxslt. Software Description: - libxslt: XSLT processing library Details: Ivan Fratric discovered that Libxslt did not correctly handle certain memory operations. An attacker could possibly use this issue to execute arbitrary code or cause a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu important arbitrary code libxslt

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS libxslt1.1 1.1.29-5ubuntu0.3+esm2 Available with Ubuntu Pro xsltproc 1.1.29-5ubuntu0.3+esm2 Available with Ubuntu Pro Ubuntu 16.04 LTS libxslt1.1 1.1.28-2.1ubuntu0.3+esm3 Available with Ubuntu Pro xsltproc 1.1.28-2.1ubuntu0.3+esm3 Available with Ubuntu Pro Ubuntu 14.04 LTS libxslt1.1 1.1.28-2ubuntu0.2+esm4 Available with Ubuntu Pro xsltproc 1.1.28-2ubuntu0.2+esm4 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-7787-1

CVE-2024-55549, CVE-2025-24855

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7787-1

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu important arbitrary code libxslt

Package Information

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