CVE-2001-0700: w3m

High severity, CVSS 7.5. EPSS: 12.6% chance of exploitation in the next 30 days.

Buffer overflow in w3m 0.2.1 and earlier allows a remote attacker to execute arbitrary code via a long base64 encoded MIME header.

Affected products

• w3m w3m: up to and including 0.2.1; version 0.1.3 only; version 0.1.4 only; version 0.1.6 only; version 0.1.7 only; version 0.1.8 only; …

Published 2001-09-20. Last modified 2026-06-16.