Symantec : Security Vulnerabilities, CVEs, Published In 2000 (Overflow) CVSS score >= 3

Buffer overflow in Norton Antivirus for Exchange (NavExchange) allows remote attackers to cause a denial of service via a .zip file that contains long file names.

Buffer overflow in the web server for Norton AntiVirus for Internet Email Gateways allows remote attackers to cause a denial of service via a long URL.