A race window has been discovered where Set-Cookie headers may leak to another users if the requested server relies on the now (since 1997) obsolete Netscape Set-Cookie specifications in how caches should handle the Set-Cookie header on otherwise cacheable content. http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE9-setcookie
This issue probably also affects RHEL3 and RHEL2.1
This issue doesn't affect RHEL2.1 or RHEL3.
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-2005-415.html