CVE-2003-0123: IBM Lotus Domino

Medium severity, CVSS 5.0. EPSS: 3.4% chance of exploitation in the next 30 days.

Buffer overflow in Web Retriever client for Lotus Notes/Domino R4.5 through R6 allows remote malicious web servers to cause a denial of service (crash) via a long HTTP status line.

Affected products

• IBM Lotus Domino: version 4.6.1 only; version 4.6.3 only; version 4.6.4 only; version 5.0 only; version 5.0.1 only; version 5.0.2 only; …
• IBM Lotus Notes Client: version 5.0 only; version 5.0.1 only; version 5.0.2 only; version 5.0.3 only; version 5.0.4 only; version 5.0.5 only; …

Published 2003-03-18. Last modified 2026-06-16.