Gentoo Linux Security Advisory 201309-3 – A buffer overflow in Xlockmore might allow remote attackers to cause a Denial of Service. Versions less than 5.43 are affected…. Gentoo Linux Security Advisory 201309-3 – A buffer overflow in Xlockmore might allow remote attackers to cause a Denial of Service. Versions less than 5.43 are affected.

Read more http://packetstormsecurity.com/files/123047/glsa-201309-03.txt