Buffer overflow in defang in libhttpd.c for thttpd 2.21 to 2.23b1 allows remote attackers to execute arbitrary code via requests that contain '<' or '>' characters, which trigger the overflow when the characters are expanded to "<" and ">" sequences.
https://www.debian.org/security/2003/dsa-396
https://exchange.xforce.ibmcloud.com/vulnerabilities/13530
https://euvd.enisa.europa.eu/vulnerability/EUVD-2003-0889
http://www.texonet.com/advisories/TEXONET-20030908.txt
http://www.securityfocus.com/bid/8906