CVE-2005-0241: Squid

Medium severity, CVSS 5.0. EPSS: 69.7% chance of exploitation in the next 30 days.

The httpProcessReplyHeader function in http.c for Squid 2.5-STABLE7 and earlier does not properly set the debug context when it is handling "oversized" HTTP reply headers, which might allow remote attackers to poison the cache or bypass access controls based on header size.

Affected products

• Squid Squid: version 2.5.stable1 only; version 2.5.stable2 only; version 2.5.stable3 only; version 2.5.stable4 only; version 2.5.stable5 only; version 2.5.stable6 only; …

Published 2005-05-02. Last modified 2026-06-16.