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.
docs.info.apple.com/article.html?artnum=307041
lists.apple.com/archives/security-announce/2007/Nov/msg00002.html
projects.info-pull.com/moab/MOAB-25-01-2007.html
secunia.com/advisories/27643
www.osvdb.org/32704
www.securityfocus.com/bid/22249
www.securityfocus.com/bid/26444
www.us-cert.gov/cas/techalerts/TA07-319A.html
www.vupen.com/english/advisories/2007/3868
exchange.xforce.ibmcloud.com/vulnerabilities/31837
www.exploit-db.com/exploits/3200