CVE-2009-0433: IBM WebSphere Application Server

Low severity, CVSS 2.6. EPSS: 1.6% chance of exploitation in the next 30 days.

Unspecified vulnerability in IBM WebSphere Application Server (WAS) 5.1.x before 5.1.1.19, 6.0.x before 6.0.2.29, and 6.1.x before 6.1.0.19, when Web Server plug-in content buffering is enabled, allows attackers to cause a denial of service (daemon crash) via unknown vectors, related to a mishandling of client read failures in which clients receive many 500 HTTP error responses and backend servers are incorrectly labeled as down.

Affected products

• IBM WebSphere Application Server: version 5.1.0 only; version 5.1.0.2 only; version 5.1.0.3 only; version 5.1.0.4 only; version 5.1.0.5 only; version 5.1.1 only; …

Published 2009-02-10. Last modified 2026-06-16.