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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

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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