USN-393-1: GnuPG vulnerability

7 December 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


Tavis Ormandy discovered that gnupg was incorrectly using the stack. If a user were tricked into processing a specially crafted message, an attacker could execute arbitrary code with the user’s privileges.

Update instructions

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

Ubuntu 6.10
gnupg - 1.4.3-2ubuntu3.2
Ubuntu 6.06 LTS
gnupg -
Ubuntu 5.10
gnupg - 1.4.1-1ubuntu1.6

To update your system, please follow these instructions:

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