[USN-7357-1] Libxslt vulnerability

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==========================================================================
Ubuntu Security Notice USN-7357-1
March 19, 2025

libxslt vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 24.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

Libxslt could be made to crash or run programs if it opened a specially
crafted file.

Software Description:
- libxslt: XSLT processing library

Details:

Ivan Fratric discovered that Libxslt incorrectly handled certain memory
operations when handling documents. A remote attacker could use this issue
to cause Libxslt to crash, resulting in a denial of service, or possibly
execute arbitrary code.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 24.10
libxslt1.1 1.1.39-0exp1ubuntu1.1

Ubuntu 24.04 LTS
libxslt1.1 1.1.39-0exp1ubuntu0.24.04.1

Ubuntu 22.04 LTS
libxslt1.1 1.1.34-4ubuntu0.22.04.2

Ubuntu 20.04 LTS
libxslt1.1 1.1.34-4ubuntu0.20.04.2

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-7357-1
CVE-2024-55549

Package Information:
https://launchpad.net/ubuntu/+source/libxslt/1.1.39-0exp1ubuntu1.1
https://launchpad.net/ubuntu/+source/libxslt/1.1.39-0exp1ubuntu0.24.04.1
https://launchpad.net/ubuntu/+source/libxslt/1.1.34-4ubuntu0.22.04.2
https://launchpad.net/ubuntu/+source/libxslt/1.1.34-4ubuntu0.20.04.2