Unspecified vulnerability in Data Detectors Engine in Apple Mac OS X 10.5.4 allows attackers to cause a denial of service (resource consumption) via crafted textual content in messages.
https://exchange.xforce.ibmcloud.com/vulnerabilities/44130
http://www.vupen.com/english/advisories/2008/2268
http://www.securitytracker.com/id?1020606
http://www.securityfocus.com/bid/30490
http://www.securityfocus.com/bid/30483
http://secunia.com/advisories/31326
http://lists.apple.com/archives/security-announce//2008/Jul/msg00003.html