Adobe security bulletin APSB12-05 describes a security flaw that can lead to arbitrary code execution when a malicious SWF file is opened in Adobe Flash Player: This update resolves a memory corruption vulnerability in the NetStream class that could lead to code execution (CVE-2012-0773). External References: http://www.adobe.com/support/security/bulletins/apsb12-07.html
This issue has been addressed in following products: Supplementary for Red Hat Enterprise Linux 5 Supplementary for Red Hat Enterprise Linux 6 Via RHSA-2012:0434 https://rhn.redhat.com/errata/RHSA-2012-0434.html