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USN-5503-2: GnuPG vulnerability

12 July 2022

GnuPG could allow forged signatures.

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Releases

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.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 16.04
Ubuntu 14.04

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

References

Related notices

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

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Further reading