Operating System Time to Patch by Type of Vulnerability

Of the 86 patched vulnerabilities that affected Apple Mac OS X in the second half of 2007, eight affected browsers, 31 were client-side vulnerabilities, 15 were local, 15 affected servers and 17 did not fall into any of these categories. From the sample set of 21 vulnerabilities for HP in the last six months of 2007, 11 affected browsers, four were client-side vulnerabilities, three affected servers and three did not fit in any category. Meanwhile, 22 patched vulnerabilities in Microsoft Windows were categorized. Seven of these affected browsers, 11 were client-side vulnerabilities, one was local and three affected servers.

Source: Symantec Internet Security Threat Report, Vol. XIII