1. Ubuntu Security Notices
  2. USN-5431-1

USN-5431-1: GnuPG vulnerability

Publication date

30 May 2022

Overview

GnuPG could be made to stop responding.

Releases

Packages

  • gnupg2 - GNU privacy guard - a free PGP replacement

Details

It was discovered that GnuPG was not properly processing keys
with large amounts of signatures. An attacker could possibly
use this issue to cause a denial of service.

It was discovered that GnuPG was not properly processing keys
with large amounts of signatures. An attacker could possibly
use this issue to cause 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
18.04 bionic gnupg –  2.2.4-1ubuntu1.5

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References

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