A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.10
- Ubuntu 18.04 LTS
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.
The problem can be corrected by updating your system to the following