The MHD_http_unescape function in libmicrohttpd before 0.9.32 might allow remote attackers to obtain sensitive information or cause a denial of service (crash) via unspecified vectors that trigger an out-of-bounds read.
https://gnunet.org/svn/libmicrohttpd/ChangeLog
https://bugzilla.redhat.com/show_bug.cgi?id=1039384
https://bugs.gentoo.org/show_bug.cgi?id=493450
http://www.securityfocus.com/bid/64138
http://www.openwall.com/lists/oss-security/2013/12/09/11