According to Symantec's tally, 40 Firefox vulnerabilities were disclosed between August and December 2006; Internet Explorer (IE), meanwhile, was hit with 54 bugs. Opera and Safari -- the browser Apple bundles with Mac OS X -- had four flaws each.
For all of 2006, however, the numbers were nearly neck and neck: Firefox was nailed by 87 flaws during the 12 months, IE by 92.
根据Symantec的统计，2006年八月到12月间，在FireFox上共发现40个缺陷，而在这其间，IE上暴露出来的缺陷有54个。Mac OS X捆绑的浏览器Opera和Safari每个暴露出的问题有4个。
在整个2006期间，IE和FireFox暴露的问题个数还是相近的，FireFox有87个，IE有92个。
from:http://www.linux.org/