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Ubuntu 22.04: USN-7600-1 critical: libxslt information exposure

ubuntu
Calendar Grey June 26, 2025
Dist Ubuntu Esm H88
Stay vigilant: a critical libxslt vulnerability threatens Ubuntu systems. Immediate updates are essential to protect against unauthorized access and data breaches
libxslt could be made to expose sensitive information.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS Summary: libxslt could be made to expose sensitive information. Software Description: - libxslt: XSLT processing library Details: It was discovered that libxslt could be made to expose sensitive information about address space layout. An attacker could possibly use this issue to bypass Address Space Layout Randomization (ASLR) protections.

Topics%20covered

Topics Covered

security advisory critical ubuntu sensitive information libxslt ASLR bypass

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS libxslt1.1 1.1.34-4ubuntu0.22.04.4 xsltproc 1.1.34-4ubuntu0.22.04.4 Ubuntu 20.04 LTS libxslt1.1 1.1.34-4ubuntu0.20.04.3+esm1 Available with Ubuntu Pro xsltproc 1.1.34-4ubuntu0.20.04.3+esm1 Available with Ubuntu Pro Ubuntu 18.04 LTS libxslt1.1 1.1.29-5ubuntu0.3+esm1 Available with Ubuntu Pro xsltproc 1.1.29-5ubuntu0.3+esm1 Available with Ubuntu Pro Ubuntu 16.04 LTS libxslt1.1 1.1.28-2.1ubuntu0.3+esm2 Available with Ubuntu Pro xsltproc 1.1.28-2.1ubuntu0.3+esm2 Available with Ubuntu Pro Ubuntu 14.04 LTS libxslt1.1 1.1.28-2ubuntu0.2+esm3 Available with Ubuntu Pro xsltproc 1.1.28-2ubuntu0.2+esm3 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-7600-1

CVE-2023-40403

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7600-1

Topics%20covered

Topics Covered

security advisory critical ubuntu sensitive information libxslt ASLR bypass

Package Information

https://launchpad.net/ubuntu/+source/libxslt/1.1.34-4ubuntu0.22.04.4

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