Report: Firefox buggier, but issued fixes quicker

From CNET News.com: Mozilla reported more vulnerabilities in its Firefox Web browser last year than Internet Explorer, Safari, and Opera combined, but Mozilla dealt with those flaws quicker than Microsoft, according to a new a report by vulnerability-testing company Secunia.

Firefox had 115 reported flaws in 2008, nearly four times as many as every other popular browser, and nearly twice as many as Microsoft and Apple combined, according to browser vulnerability research (PDF) released this week. In comparison, Microsoft reported 31 flaws in IE, Apple reported 32 in Safari, and Opera reported 30.

However, the report found that Mozilla was quicker to patch Firefox's flaws that were disclosed publicly without vendor notification compared with Microsoft. These "zero day" vulnerability disclosures contain information that can be used by attackers to write exploits for the flaw. The longer it takes vendors to release an update that repairs the vulnerability, the longer users of the browser are at risk.

Secunia reported six incidences in which Microsoft was publicly notified of browser vulnerabilities, two of which the security company labeled as "high" or "moderate" in severity. Meanwhile, Mozilla experienced three such occurrences, all of which Secunia labeled as "less critical" or "not critical."

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