CVE-2001-0173: Nobreak Technologies Crazywwwboard

High severity, CVSS 10.0. EPSS: 6% chance of exploitation in the next 30 days.

Buffer overflow in qDecoder library 5.08 and earlier, as used in CrazyWWWBoard, CrazySearch, and other CGI programs, allows remote attackers to execute arbitrary commands via a long MIME Content-Type header.

Affected products

• Nobreak Technologies Crazywwwboard: version 3.0.1 only; version 98 only; version 98pe only; version 2000.0lepx only; version 2000.0px only; version 2000lepx only; …
• Qdecoder Qdecoder: version 4.0 only; version 4.0.1 only; version 4.3 only; version 4.3.1 only; version 5.0 only; version 5.0.1 only; …

Published 2001-05-03. Last modified 2026-06-16.