CVE 2009-0520
Adobe Flash Player 9.x before 9.0.159.0 and 10.x before 10.0.22.87 does not properly remove references to destroyed objects during Shockwave Flash file processing, which allows remote attackers to execute arbitrary code via a crafted file, related to a "buffer overflow issue."
See the 
CVE page on Mitre.org
for more details.
