1. Ubuntu Security Notices
  2. USN-4667-1

USN-4667-1: APT vulnerability

Publication date

9 December 2020

Overview

APT could be made to crash or stop responding if it opened a specially crafted file.

Releases

Packages

  • apt - Advanced front-end for dpkg

Details

Kevin Backhouse discovered that APT incorrectly handled certain packages.
A local attacker could possibly use this issue to cause APT to crash or
stop responding, resulting in a denial of service.

Kevin Backhouse discovered that APT incorrectly handled certain packages.
A local attacker could possibly use this issue to cause APT to crash or
stop responding, resulting in 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
20.10 groovy apt –  2.1.10ubuntu0.1
20.04 focal apt –  2.0.2ubuntu0.2
18.04 bionic apt –  1.6.12ubuntu0.2
16.04 xenial apt –  1.2.32ubuntu0.2

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References

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