VUPEN Vulnerability Research Team discovered a critical vulnerability in Adobe Flash Player. The vulnerability is caused by an invalid object being used when parsing a malformed video via "NetStream.appendBytes", which could allow remote attackers to leak memory and execute arbitrary code despite ASLR and DEP enabled.
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Gentoo Linux Security Advisory 201204-7 - Multiple vulnerabilities in Adobe Flash Player, the worst of which might allow remote attackers to execute arbitrary code. Versions less than 11.2.202.228 are affected.
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Red Hat Security Advisory 2012-0434-01 - The flash-plugin package contains a Mozilla Firefox compatible Adobe Flash Player web browser plug-in. This update fixes one vulnerability in Adobe Flash Player. This vulnerability is detailed on the Adobe security page APSB12-07, listed in the References section. Specially-crafted SWF content could cause flash-plugin to crash or, potentially, execute arbitrary code when a victim loads a page containing the specially-crafted SWF content. All users of Adobe Flash Player should install this updated package, which upgrades Flash Player to version 10.3.183.18.
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