Mandriva Linux Security Advisory 2010-050 – This release fixes several important issues to help prevent a detection bypass and denial of service attacks against ModSecurity. Quite a few small but notable bugs were fixed. The latest Core Ruleset (2.0.5) is included. This update provides mod_security 2.5.12, which is not vulnerable to these issues.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/86734/MDVSA-2010-050.txt
Source: https://packetstormsecurity.com/files/86734/Mandriva-Linux-Security-Advisory-2010-050.html