CVE-2002-0163: Squid

High severity, CVSS 7.5. EPSS: 15.1% chance of exploitation in the next 30 days.

Heap-based buffer overflow in Squid before 2.4 STABLE4, and Squid 2.5 and 2.6 until March 12, 2002 distributions, allows remote attackers to cause a denial of service, and possibly execute arbitrary code, via compressed DNS responses.

Affected products

• Squid Squid: up to and including 2.4_9

Published 2002-03-26. Last modified 2026-06-16.