USN-613-1: GnuTLS vulnerabilities

21 May 2008

gnutls12, gnutls13 vulnerabilities

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

  • Ubuntu 8.04 LTS
  • Ubuntu 7.10
  • Ubuntu 7.04
  • Ubuntu 6.06 LTS

Software Description

  • gnutls13
  • gnutls12


Multiple flaws were discovered in the connection handling of GnuTLS. A remote attacker could exploit this to crash applications linked against GnuTLS, or possibly execute arbitrary code with permissions of the application’s user.

Update instructions

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

Ubuntu 8.04 LTS
libgnutls13 - 2.0.4-1ubuntu2.1
Ubuntu 7.10
libgnutls13 - 1.6.3-1ubuntu0.1
Ubuntu 7.04
libgnutls13 - 1.4.4-3ubuntu0.1
Ubuntu 6.06 LTS
libgnutls12 - 1.2.9-2ubuntu1.2

To update your system, please follow these instructions:

After a standard system upgrade you need to reboot your computer to effect the necessary changes.