Mozilla fixes six critical Firefox flaws
Mozilla patched 11 vulnerabilities in Firefox, last week, more than half of them labelled "critical."
The update was the first since late April, when Mozilla rushed out a refresh to plug a hole that the company's developers has inadvertently introduced in the Windows version of the browser, and came just days after the launching of a "tweener" build of the upcoming Firefox 3.5.
Of the 11 flaws fixed in Firefox 3.0.11, six were rated critical, one "high," two "moderate" and two "low" in Mozilla's four-step system.
The SSL tampering vulnerability was reported to Mozilla by three researchers working for browser rival Microsoft, and a fourth at Purdue University. The four -- Shuo Chen, Ziqing Mao, Yi-Min Wang and Ming Zhang -- co-wrote a paper titled "Pretty-Bad-Proxy: An Overlooked Adversary in Browsers' HTTPS Deployments," that they published May 1 (download PDF). Mozilla ranked the vulnerability as "high."
The update was the fifth this year for Firefox 3.x, but not the first for Mozilla's browsers this week.
On Monday, Mozilla rolled out Firefox 3.5 Preview, a build the company said is a near-finished version of the official Release Candidate, or RC. Although new-found bugs had delayed the RC's release yet again, Mozilla wanted to get something in testers' hands, and so took the unusual step of delivering the Preview.
At this point, Mozilla has not set a scheduled for posting Firefox 3.5 RC, once slated to appear the first week of June. In notes on a status meeting the company held Wednesday, Mozilla simply noted that it would release the RC "you know, when it's ready."
Firefox 3.5 Preview is being offered only to users who have already installed Beta 4 of the browser upgrade.
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