id summary reporter owner description type status priority milestone component version resolution keywords cc blockedby blocking 35 Apache bug 57785 - affects REDIRECT_URL users TC Haddad Jeff McKenna " A small change in Apache 2.4.17 from 2.4.16 inadvertently caused mass havoc on sites that use Apache's REDIRECT_URL capabilities ( https://bz.apache.org/bugzilla/show_bug.cgi?id=57785 https://lists.debian.org/debian-apache/2015/10/msg00013.html Apache has in 2.4.18 addressed this by making the new behavior opt-in: http://www.apache.org/dist/httpd/CHANGES_2.4.18 " defect closed major 3.1.2 release MS4W - Apache 3.1.1 fixed