Red Hat Security Advisory 2011-1434-01 - This update fixes multiple security flaws in Adobe Reader. A PDF file with an embedded, specially-crafted SWF file could cause Adobe Reader to crash or, potentially, execute arbitrary code as the user running Adobe Reader when opened. A flaw in Adobe Flash Player could allow an attacker to conduct cross-site scripting (XSS) attacks if a victim were tricked into visiting a specially-crafted web page. Various other issues were also addressed.
2ab97f1016cbda6e49f44636cc860840e76e68c11cd88e2da121b54f11d94324Zero Day Initiative Advisory 11-297 - This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Adobe Reader. 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 Adobe Image parsing library. When Adobe Reader tries to parse an .PCX image it creates a 32 bits loop counter based on the height and width of the image. It then enters a loop to copy data from the file in to a memory buffer, but the loop counter used in that function is only a 16 bit integer and as such can never reach the end of the loop when the max loop counter is bigger then 0xFFFF. Exploitation of this issue allows for remote code execution under the context of the user running the application.
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