Buffer overflow in the HTTP URL parsing functions in pecl_http before 3.0.1 might allow remote attackers to execute arbitrary code via non-printable characters in a URL.
www.openwall.com/lists/oss-security/2016/06/29/1
www.openwall.com/lists/oss-security/2016/06/29/4
www.securityfocus.com/bid/95863
bugs.php.net/bug.php?id=71719
github.com/m6w6/ext-http/commit/3724cd76a28be1d6049b5537232e97ac
pecl.php.net/package/pecl_http/3.0.1
security.gentoo.org/glsa/201612-17
security.netapp.com/advisory/ntap-20180112-0001/