Firefox accounted for almost half of all browser vulnerabilities in the first six months of 2009, a Web security company claimed today.
According to California-based Cenzic, Mozilla's browser had the largest percentage of Web vulnerabilities over the six-month span, while Apple's Safari had the dubious distinction of coming in second. Microsoft's Internet Explorer (IE) was third, while Opera Software's flagship browser took fourth place.
The Cenzic report can be downloaded from the company's site (download PDF).
"It's not rocket science," said Lars Ewe, Cenzic's chief technology officer, referring to the browser bug counting. "We used several databases, including the CVE (common vulnerabilities and exposures) database to count the number of known vulnerabilities."
Firefox accounted for 44% of all browser bugs reported in the first half of the year, said Ewe, while Safari vulnerabilities came to 35% of the total. IE, meanwhile, accounted for 15%, while 6% of all the flaws were in Opera.
Cenzic did not separately count the number of "zero-day" bugs -- those unpatched at the time exploit code went into circulation -- said Ewe, who defended his company's tally at the same time he downplayed their significance.
"At the end of the day, the number of vulnerabilities is only one measurement of a browser's security," said Ewe. "We're not trying to point a finger at any one browser. I would certainly not abandon Firefox because of this."
Ewe admitted that he uses Firefox for his personal browsing, and noted that Mozilla is "usually very fast to react to bugs."
Mozilla has been slammed for the number of flaws it fixes in Firefox before. Last spring, for instance, Jeff Jones, a director in Microsoft's security technology unit, and Mike Shaver, the vice president of engineering at Mozilla, traded barbs about browser security after Danish security vendor Secunia published a report that said Firefox had nearly four times as many flaws as IE during 2008.
Full story: ComputerWorld
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