[bumblebird]

Title would be better as "CVE-2009-3379: Mozilla Firefox Multiple Vulnerabilities"

[nitrogen]

Indeed. With the xorl title I was expecting an article about quickly setting a register to zero and various other optimization tricks.

[jcl]

It seems the submitter intended to point out the blog itself, not the top article. A better title might be "xorl %eax, %eax -- A low-level security blog".