CVE-2004-1936

ZoneAlarm Pro 4.5.538.001 and possibly other versions allows remote attackers to bypass e-mail protection via attachments whose names contain certain non-English characters.

CVE-2001-1548

ZoneAlarm 2.1 through 2.6 and ZoneAlarm Pro 2.4 and 2.6 allows local users to bypass filtering via non-standard TCP packets created with non-Windows protocol adapters.

CVE-2001-1373

MailSafe in Zone Labs ZoneAlarm 2.6 and earlier and ZoneAlarm Pro 2.6 and 2.4 does not block prohibited file types with long file names, which allows remote attackers to send potentially dangerous attachments.