The Apache HTTP Server is a popular Web server.A flaw was found in the mod_proxy Apache module. An attacker in control ofa Web server to which requests were being proxied could have caused alimited denial of service due to CPU consumption and stack exhaustion.(CVE-2008-2364)A flaw was found in the mod_proxy_ftp Apache module. If Apache wasconfigured to support FTP-over-HTTP proxying, a remote attacker could haveperformed a cross-site scripting attack. (CVE-2008-2939)In addition, these updated packages fix a bug found in the handling of the"ProxyRemoteMatch" directive in the Red Hat Enterprise Linux 4 httpdpackages. This bug is not present in the Red Hat Enterprise Linux 3 or RedHat Enterprise Linux 5 packages.Users of httpd should upgrade to these updated packages, which containbackported patches to correct these issues.