Adobe security bulletin APSB13-01 describes a security flaw that could cause Adobe Flash Player to crash and potentially allow an attacker to take control of the affected system:
These updates resolve a buffer overflow vulnerability that could lead to code execution (CVE-2013-0630).
This issue has been addressed in following products:
Supplementary for Red Hat Enterprise Linux 6
Supplementary for Red Hat Enterprise Linux 5
Via RHSA-2013:0149 https://rhn.redhat.com/errata/RHSA-2013-0149.html