CVE-2007-3304: Apache httpd 1.3.37, 2.0.59, and 2.2.4 with the Prefork MPM module, allows local users to cause a denial of...

Security readout for executives and security teams

This is an old Apache httpd denial-of-service issue affecting listed versions when using the Prefork MPM. A local user could interfere with Apache’s process accounting so the master process sends SIGUSR1 to an unintended process. The business risk is service disruption, especially on shared hosting or systems with local untrusted users. Exposure is most plausible on legacy Apache httpd installations using Prefork MPM where local users, hosted tenants, CGI scripts, or compromised local accounts can influence the vulnerable process state. Internet-facing status alone is not sufficient; local access is the key condition. Prioritize remediation where old Apache servers support customer-facing services or shared local users. For isolated systems without local untrusted access, urgency is lower, but unsupported Apache versions still create operational risk and should be removed from production. Mitigation focus: Identify Apache httpd versions and whether Prefork MPM is enabled.; Apply relevant vendor updates from Red Hat, Mandriva, IBM, HP, or Apache guidance.; Retire or isolate unsupported Apache 1.3, 2.0, and early 2.2 deployments..

Prepared

Jun 29, 2026, 05:01 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.