This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Adobe Flash. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the handling of HTTP Live Streaming. The issue lies in the failure to validate the size of a user-supplied buffer prior to copying it to a stack buffer. An attacker can leverage this vulnerability to execute arbitrary code under the context of the current process.