Adobe Security Bulletin APSB17-21 for Adobe Flash Player describes multiple flaws that can possibly lead to information disclosure when Flash Player is used to play a specially crafted SWF file.
Quoting from the APSB17-21:
* Security Bypass which can lead to Information Disclosure - CVE-2017-3080
* Memory Corruption which can lead to Memory address disclosure - CVE-2017-3100
This issue has been addressed in the following products:
Red Hat Enterprise Linux 6 Supplementary
Via RHSA-2017:1731 https://access.redhat.com/errata/RHSA-2017:1731