Mozilla developers and community members identified and fixed several stability bugs in the browser engine used in Firefox and other Mozilla-based products. Some of these crashes showed evidence of memory corruption under certain circumstances and we presume that with enough effort at least some of these could be exploited to run arbitrary code.
Disable JavaScript until a version containing these fixes can be installed.
Jesse Ruderman, Josh Soref, Martijn Wargers, Jose Angel, and Olli Pettay reported crashes in the browser engine which affected both Firefox 3 and Firefox 3.5.
Jeremy Lea and Jesse Ruderman reported crashes in the browser engine which only affected Firefox 3.5.
Jesse Ruderman also reported a crash in the browser engine which only affected Firefox 3.
David Mandelin, Gary Kwong, Jason Orendorff and Igor Bukanov reported crashes in the JavaScript engine which only affected Firefox 3.5.