USN-7768-1: dpkg vulnerability

Publication date

24 September 2025

Overview

dpkg could be made to consume disk space if it opened a specially crafted file.


Packages

  • dpkg - Debian package management system

Details

It was discovered that dpkg incorrectly handled removing certain temporary
directories. An attacker could possibly use this issue to consume disk
space, leading to a denial of service.

It was discovered that dpkg incorrectly handled removing certain temporary
directories. An attacker could possibly use this issue to consume disk
space, leading to a denial of service.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
25.04 plucky dpkg –  1.22.18ubuntu2.2
libdpkg-perl –  1.22.18ubuntu2.2
24.04 noble dpkg –  1.22.6ubuntu6.5
libdpkg-perl –  1.22.6ubuntu6.5
22.04 jammy dpkg –  1.21.1ubuntu2.6
libdpkg-perl –  1.21.1ubuntu2.6

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