Ubuntu Security Notice 975-1 - Several dangling pointer vulnerabilities were discovered in Firefox. Blake Kaplan and Michal Zalewski discovered several weaknesses in the XPCSafeJSObjectWrapper (SJOW) security wrapper. Matt Haggard discovered that Firefox did not honor same-origin policy when processing the statusText property of an XMLHttpRequest object. Chris Rohlf discovered an integer overflow when Firefox processed the HTML frameset element. Several issues were discovered in the browser engine. David Huang and Collin Jackson discovered that the <object> tag could override the charset of a framed HTML document in another origin. Paul Stone discovered that with designMode enabled an HTML selection containing JavaScript could be copied and pasted into a document and have the JavaScript execute within the context of the site where the code was dropped. A buffer overflow was discovered in Firefox when processing text runs. Peter Van der Beken, Jason Oster, Jesse Ruderman, Igor Bukanov, Jeff Walden, Gary Kwong and Olli Pettay discovered several flaws in the browser engine.
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