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.
Lucas Adamski, Bob Clary, and Tobias Markus reported crashes in the Firefox 3.5 browser engine. Bob Clary also reported a memory safety issue in the JavaScript engine which affected Firefox 3.
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