USN-7412-2: GnuPG regression

Publication date

8 July 2025

Overview

USN-7412-1 introduced a regression in GnuPG.


Packages

  • gnupg2 - GNU privacy guard - a free PGP replacement

Details

USN-7412-1 fixed vulnerabilities in GnuPG. The update introduced a
regression. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

It was discovered that GnuPG incorrectly handled importing keys with
certain crafted subkey data. If a user or automated system were tricked
into importing a specially crafted key, a remote attacker may prevent
users from importing other keys in the future.

USN-7412-1 fixed vulnerabilities in GnuPG. The update introduced a
regression. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

It was discovered that GnuPG incorrectly handled importing keys with
certain crafted subkey data. If a user or automated system were tricked
into importing a specially crafted key, a remote attacker may prevent
users from importing other keys in the future.

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 gnupg –  2.4.4-2ubuntu23.1
gnupg2 –  2.4.4-2ubuntu23.1
gpg –  2.4.4-2ubuntu23.1
24.10 oracular gnupg –  2.4.4-2ubuntu18.3
gnupg2 –  2.4.4-2ubuntu18.3
gpg –  2.4.4-2ubuntu18.3
24.04 noble gnupg –  2.4.4-2ubuntu17.3
gnupg2 –  2.4.4-2ubuntu17.3
gpg –  2.4.4-2ubuntu17.3
22.04 jammy gnupg –  2.2.27-3ubuntu2.4
gnupg2 –  2.2.27-3ubuntu2.4
gpg –  2.2.27-3ubuntu2.4

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