USN-5503-2: GnuPG vulnerability

Releases

• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM

Packages

• gnupg - GNU privacy guard - a free PGP replacement
• gnupg2 - GNU privacy guard - a free PGP replacement

Details

USN-5503-1 fixed a vulnerability in GnuPG. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

Demi Marie Obenour discovered that GnuPG incorrectly handled injection in
the status message. A remote attacker could possibly use this issue to
forge signatures.

Update instructions

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

Ubuntu 16.04

• gnupg2 - 2.1.11-6ubuntu2.1+esm1
  Available with Ubuntu Pro
• gnupg - 1.4.20-1ubuntu3.3+esm2
  Available with Ubuntu Pro

Ubuntu 14.04

• gnupg - 1.4.16-1ubuntu2.6+esm1
  Available with Ubuntu Pro

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

References

• CVE-2022-34903

Related notices

• USN-5503-1: gnupg-utils, gpgconf, gnupg, gpg-wks-server, gpgv2, gpg, gpg-wks-client, gnupg-l10n, gpgv, gpgv-static, gnupg-agent, dirmngr, gnupg2, gpg-agent, scdaemon, gpgv-win32, gpgsm