rufsi.dll in Symantec Virus Detection allows remote attackers to cause a denial of service (crash) via a long string to the GetPrivateProfileString function. NOTE: this issue was originally reported as a buffer overflow, but that specific claim is disputed by the vendor, although a crash is acknowledged.
https://exchange.xforce.ibmcloud.com/vulnerabilities/15778
http://marc.info/?l=bugtraq&m=108143485021721&w=2
http://marc.info/?l=bugtraq&m=108136901406896&w=2
http://lists.grok.org.uk/pipermail/full-disclosure/2004-April/019891.html