Multiple buffer overflows in (1) http.c, (2) http-retr.c, (3) main.c and other code that handles network protocols in ProZilla 1.3.6-r2 and earlier allow remote servers to execute arbitrary code via a long Location header.
https://exchange.xforce.ibmcloud.com/vulnerabilities/18210
http://www.securityfocus.com/archive/1/382219
http://www.gentoo.org/security/en/glsa/glsa-200411-31.xml