CVE-2007-0464
The _CFNetConnectionWillEnqueueRequests function in CFNetwork 129.19 on Apple Mac OS X 10.4 through 10.4.10 allows remote attackers to cause a denial of service (application crash) via a crafted HTTP 301 response, which results in a NULL pointer dereference.
Date published : 2007-01-30
http://lists.apple.com/archives/security-announce/2007/Nov/msg00002.html