USN-389-1: GnuPG vulnerability

29 November 2006

gnupg vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 6.10
  • Ubuntu 6.06 LTS
  • Ubuntu 5.10

Software Description


A buffer overflow was discovered in GnuPG. By tricking a user into running gpg interactively on a specially crafted message, an attacker could execute arbitrary code with the user’s privileges. This vulnerability is not exposed when running gpg in batch mode.

Update instructions

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

Ubuntu 6.10
gnupg - 1.4.3-2ubuntu3.1
Ubuntu 6.06 LTS
gnupg -
Ubuntu 5.10
gnupg - 1.4.1-1ubuntu1.5

To update your system, please follow these instructions:

In general, a standard system upgrade is sufficient to effect the necessary changes.