Debian Security Advisory

DLA-364-1 gnutls26 -- LTS security update

Date Reported:
09 Dec 2015
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2015-8313.
More information:

Hanno Böck discovered that GnuTLS, a library implementing the TLS and SSL protocols, incorrectly validated the first padding byte in CBC modes. A remote attacker can possibly take advantage of this flaw to perform a padding oracle attack.

For Debian 6 Squeeze, this issue has been fixed in gnutls26 version 2.8.6-1+squeeze6. We recommend you to upgrade your gnutls26 packages.