Squid has recently fixed three DoS issues. http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE10-STORE_PENDING http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE10-statHistAssert http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE10-sslConnectTimeout
These issues should also affect RHEL2.1 and RHEL3
This issue is not a runtime issue, it's a compile time issue which does not affect us: http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE10-statHistAssert Additionally http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE10-sslConnectTimeout does not affect RHEL2.1
An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on the solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHSA-2005-766.html