CVE-2005-0095: Squid

Medium severity, CVSS 5.0. EPSS: 68.8% chance of exploitation in the next 30 days.

The WCCP message parsing code in Squid 2.5.STABLE7 and earlier allows remote attackers to cause a denial of service (crash) via malformed WCCP messages with source addresses that are spoofed to reference Squid's home router and invalid WCCP_I_SEE_YOU cache numbers.

Affected products

• Squid Squid: version 2.0_patch2 only; version 2.1_patch2 only; version 2.3_.stable4 only; version 2.3_.stable5 only; version 2.3_stable5 only; version 2.4 only; …

Published 2005-01-15. Last modified 2026-06-16.