Red Hat Bugzilla – Bug 126864
CAN-2004-0493 folding header DoS
Last modified: 2007-11-30 17:10:45 EST
Apache 2.0.49 places no limit on the amount of folding of input
headers, or in the total length after folding. With an input stream
with infinite headers to be folded, the server will allocate as much
memory as the system will allow, possibly leading to a denial of
Public by Georgi Guninski to full-disclosure list Jun28
CAN-2004-0493 Affects: FC1
CAN-2004-0493 Affects: FC2
The Apache team provides a patch solving this vulnerability:
This patch applies and works for me with httpd-2.0.49 fine, here.
Fixed by http://fedoranews.org/updates/FEDORA-2004-204.shtml.