McAfee Anti-Virus Engine DATS drivers before 4398 released on Oct 13th 2004 and DATS Driver before 4397 October 6th 2004 allows remote attackers to bypass antivirus protection via a compressed file with both local and global headers set to zero, which does not prevent the compressed file from being opened on a target system.

Eset Anti-Virus before 1.020 (16th September 2004) allows remote attackers to bypass antivirus protection via a compressed file with both local and global headers set to zero, which does not prevent the compressed file from being opened on a target system.

Archive::Zip Perl module before 1.14, when used by antivirus programs such as amavisd-new, allows remote attackers to bypass antivirus protection via a compressed file with both local and global headers set to zero, which does not prevent the compressed file from being opened on a target system.

Computer Associates eTrust EZ Antivirus 7.0.0 to 7.0.4, including 7.0.1.4, installs its files with insecure permissions (ACLs), which allows local users to gain privileges by replacing critical programs with malicious ones, as demonstrated using VetMsg.exe.