Use-after-free vulnerability in Adobe Flash Player before 11.7.700.275 and 11.8.x through 13.0.x before 13.0.0.182 on Windows and OS X and before 11.2.202.350 on Linux, Adobe AIR before 13.0.0.83 on Android, Adobe AIR SDK before 13.0.0.83, and Adobe AIR SDK & Compiler before 13.0.0.83 allows remote attackers to execute arbitrary code, and possibly bypass an Internet Explorer sandbox protection mechanism, via unspecified vectors, as demonstrated by VUPEN during a Pwn2Own competition at CanSecWest 2014.
http://www.pwn2own.com/2014/03/pwn2own-results-for-wednesday-day-one/
http://twitter.com/thezdi/statuses/443886338077495296
http://security.gentoo.org/glsa/glsa-201405-04.xml
http://rhn.redhat.com/errata/RHSA-2014-0380.html
http://lists.opensuse.org/opensuse-updates/2014-04/msg00050.html
http://lists.opensuse.org/opensuse-updates/2014-04/msg00036.html
http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00012.html
http://helpx.adobe.com/security/products/flash-player/apsb14-09.html