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USN-3853-1: GnuPG vulnerability

10 January 2019

GnuPG could allow unintended access to network services.



  • gnupg2 - GNU privacy guard - a free PGP replacement


Ben Fuhrmannek discovered that GnuPG incorrectly handled Web Key Directory
lookups. A remote attacker could possibly use this issue to cause a denial
of service, or perform Cross-Site Request Forgery attacks.

Update instructions

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

Ubuntu 18.10
Ubuntu 18.04

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