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USN-1682-1: GnuPG vulnerability

9 January 2013

GnuPG could be made to corrupt the keyring if it imported a specially crafted key.



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


KB Sriram discovered that GnuPG incorrectly handled certain malformed keys.
If a user or automated system were tricked into importing a malformed key,
the GnuPG keyring could become corrupted.

Update instructions

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

Ubuntu 8.04
Ubuntu 12.10
Ubuntu 12.04
Ubuntu 11.10
Ubuntu 10.04

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