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Ubuntu 24.10: USN-7414-1 high: XZ Utils denial of service

ubuntu
Calendar Grey April 3, 2025
Dist Ubuntu Esm H88
An advisory has been issued regarding a vulnerability in XZ Utils that could lead to system crashes or even arbitrary code execution on Ubuntu platforms.
XZ Utils could be made to crash or run programs if it opened a specially crafted file.

Summary

XZ Utils could be made to crash or run programs if it opened a specially

crafted file.

Software Description:

- xz-utils: XZ-format compression utilities

Details:

Harri K. Koskinen discovered that XZ Utils incorrectly handled the threaded

xz decoder. If a user or automated system were tricked into processing an

xz file, a remote attacker could use this issue to cause XZ Utils to crash,

resulting in a denial of service, or possibly execute arbitrary code.

Topics%20covered

Topics Covered

security advisory denial of service arbitrary code execution Ubuntu software issue XZ Utils

Update Instructions

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

Ubuntu 24.10
   xz-utils                        5.6.2-2ubuntu0.2

Ubuntu 24.04 LTS
   xz-utils                        5.6.1+really5.4.5-1ubuntu0.2

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

References

https://ubuntu.com/security/notices/USN-7414-1

CVE-2025-31115

Ubuntu Security Notice USN-7414-1

Topics%20covered

Topics Covered

security advisory denial of service arbitrary code execution Ubuntu software issue XZ Utils

Package Information

https://launchpad.net/ubuntu/+source/xz-utils/5.6.2-2ubuntu0.2
https://launchpad.net/ubuntu/+source/xz-utils/5.6.1+really5.4.5-1ubuntu0.2

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