Mandriva Linux Security Advisory – A flaw in the Tcl regular expression handling engine was originally discovered by Will Drewry in the PostgreSQL database server’s Tcl regular expression engine. This flaw can result in an infinite loop when processing certain regular expressions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/64395/MDVSA-2008-059.txt
Source: https://packetstormsecurity.com/files/64395/Mandriva-Linux-Security-Advisory-2008-059.html