CVE 2010-3116
Multiple use-after-free vulnerabilities in WebKit, as used in Apple Safari before 4.1.3 and 5.0.x before 5.0.3, Google Chrome before 5.0.375.127, and webkitgtk before 1.2.6, allow remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors related to improper handling of MIME types by plug-ins.
See the 
CVE page on Mitre.org
for more details.
