This issue did not affect the versions of the squid packages, as shipped with Red Hat Enterprise Linux 3 and 4.
The issue was addressed in the squid packages as shipped with Red Hat Enterprise Linux 5 via:
CVSS v2 metrics
|Access Vector||Adjacent Network|
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Red Hat Security Errata
|Red Hat Enterprise Linux 5 (squid)||RHSA-2010:0221||2010-03-29|
CVE description copyright © 2017, The MITRE Corporation