Adobe has released APSA11-02 [1] to warn of a new critical vulnerability in Adobe Flash Player 10.x. The vulnerability is described as: This vulnerability (CVE-2011-0611) could cause a crash and potentially allow an attacker to take control of the affected system. There are reports that this vulnerability is being exploited in the wild in targeted attacks via a Flash (.swf) file embedded in a Microsoft Word (.doc) file delivered as an email attachment, targeting the Windows platform. At this time, Adobe is not aware of any attacks via PDF targeting Adobe Reader and Acrobat. Adobe Reader X Protected Mode mitigations would prevent an exploit of this kind from executing. This flaw does not affect Adobe Reader 9.x for UNIX. [1] http://www.adobe.com/support/security/advisories/apsa11-02.html
Updated packages are now available via APSB11-07: http://www.adobe.com/support/security/bulletins/apsb11-07.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-2011:0451 https://rhn.redhat.com/errata/RHSA-2011-0451.html