CVE-2004-2654: Squid

Medium severity, CVSS 5.0. EPSS: 2% chance of exploitation in the next 30 days.

The clientAbortBody function in client_side.c in Squid Web Proxy Cache before 2.6 STABLE6 allows remote attackers to cause a denial of service (segmentation fault) via unspecified vectors that trigger a null dereference. NOTE: in a followup advisory, a researcher claimed that the issue was a buffer overflow that was not fixed in STABLE6. However, the vendor's bug report clearly shows that the researcher later retracted this claim, because the tested product was actually STABLE5.

Affected products

• Squid Squid: version 2.5_stable5 only

Published 2004-12-31. Last modified 2026-06-16.