Adobe Security Bulletin APSB16-36 for Adobe Flash Player describes a flaw that can possibly lead to code execution when Flash Player is used to play a specially crafted SWF file.
Quoting from the APSB16-36:
These updates resolve a use-after-free vulnerability that could lead to code
This issue has been addressed in the following products:
Red Hat Enterprise Linux 5 Supplementary
Red Hat Enterprise Linux 6 Supplementary
Via RHSA-2016:2119 https://rhn.redhat.com/errata/RHSA-2016-2119.html