CVE-2012-4556: Red Hat Certificate System

Medium severity, CVSS 4.0. EPSS: 1.2% chance of exploitation in the next 30 days.

The token processing system (pki-tps) in Red Hat Certificate System (RHCS) before 8.1.3 allows remote attackers to cause a denial of service (Apache httpd web server child process restart) via certain unspecified empty search fields in a user certificate search query.

Affected products

• Red Hat Certificate System: up to and including 8.1.1; version 7.1 only; version 7.2 only; version 7.3 only; version 8.0 only; version 8.1 only

Published 2013-01-04. Last modified 2026-06-16.