Use-after-free vulnerability in Apple Safari 4.x before 4.1.2 and 5.x before 5.0.2 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via run-in styling in an element, related to object pointers.

WebKit in Apple Safari 4.x before 4.1.2 and 5.x before 5.0.2; Android before 2.2; and webkitgtk before 1.2.6; does not properly validate floating-point data, which allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted HTML document, related to non-standard NaN representation.

Untrusted search path vulnerability in Apple Safari 4.x before 4.1.2 and 5.x before 5.0.2 on Windows allows local users to gain privileges via a Trojan horse explorer.exe (aka Windows Explorer) program in a directory containing a file that had been downloaded by Safari.

Use-after-free vulnerability in WebKit in Apple Safari before 5.0 on Mac OS X 10.5 through 10.6 and Windows, Safari before 4.1 on Mac OS X 10.4, and Safari on Apple iPhone OS allows remote attackers to execute arbitrary code or cause a denial of service (application crash), or read the SMS database or other data, via vectors related to "attribute manipulation," as demonstrated by Vincenzo Iozzo and Ralf Philipp Weinmann during a Pwn2Own competition at CanSecWest 2010.

Stack-based buffer overflow in Apple QuickTime before 7.3.1, as used in QuickTime Player on Windows XP and Safari on Mac OS X, allows remote Real Time Streaming Protocol (RTSP) servers to execute arbitrary code via an RTSP response with a long Content-Type header.