Incomplete blacklist vulnerability in CoreTypes in Apple Mac OS X 10.5 before 10.5.8 makes it easier for user-assisted remote attackers to execute arbitrary JavaScript via a web page that offers a download with a Content-Type value that is not on the list of possibly unsafe content types for Safari.
lists.apple.com/archives/security-announce/2009/Aug/msg00001.html
osvdb.org/56844
secunia.com/advisories/36096
support.apple.com/kb/HT3757
www.securityfocus.com/bid/35954
www.us-cert.gov/cas/techalerts/TA09-218A.html
www.vupen.com/english/advisories/2009/2172
exchange.xforce.ibmcloud.com/vulnerabilities/52420