libdayzero.dll in the Filter Hub Service (filter-hub.exe) in Symantec Mail Security for SMTP before 5.0.1 Patch 181 and Mail Security Appliance before 5.0.0-36 allows remote attackers to cause a denial of service (crash) via a crafted executable attachment in an e-mail, involving the detection of "PE-Shield v0.2" and "ASPack v1.00-1.08.02".
https://exchange.xforce.ibmcloud.com/vulnerabilities/35105
http://www.vupen.com/english/advisories/2007/2335
http://www.securitytracker.com/id?1018301
http://www.securityfocus.com/bid/24625
http://www.securityfocus.com/archive/1/472440/100/0/threaded
http://securityresponse.symantec.com/avcenter/security/Content/2007.06.26.html
http://secunia.com/secunia_research/2007-48/advisory/