Chris Evans discovered a denial of service issue in bzip2. http://scary.beasts.org/security/d5d5466da311d907/CESA-2005-002.txt This issue has been fixed in bzip2 1.0.3, but it's not well known yet. I'm going to keep this bug private until chris makes his advisory public.
This issue also affects RHEL2.1 and RHEL3
Created attachment 114301 [details] Upstream fixes This patch contains the important bits between 1.0.2 and 1.0.3.
Created attachment 115129 [details] Demo Exploit
This is no longer embargoed.
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-2005-474.html