Apple Security Advisory 2012-09-12-1 - iTunes 10.7 is now available and addresses multiple memory corruption issues in webkit.
8f27ac75b6ce51b0fdc6c2b6f2d18541eb8e57e34aa68e9dc16e36ea16418c79
Ubuntu Security Notice 1524-1 - A large number of security issues were discovered in the WebKit browser and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and arbitrary code execution.
cbaae6919431428ce28f0525f8b4610c12e3488e31906a3c083d3654bfca78e3
Gentoo Linux Security Advisory 201205-1 - Multiple vulnerabilities have been reported in Chromium, some of which may allow execution of arbitrary code. Versions less than 18.0.1025.168 are affected.
db0550b1dade0d9a98afaf2ac750b0ae9a7a263dc2df65218f71b0b47bb9c75d