CVE-2011-5034: Apache Geronimo

High severity, CVSS 7.8. EPSS: 80.6% chance of exploitation in the next 30 days.

Apache Geronimo 2.2.1 and earlier computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted parameters. NOTE: this might overlap CVE-2011-4461.

Affected products

• Apache Geronimo: up to and including 2.2.1; version 1.0 only; version 1.1 only; version 1.1.1 only; version 1.2 only; version 2.0.1 only; …

Published 2011-12-30. Last modified 2026-06-16.