The _httpsrequest function (Snoopy/Snoopy.class.php) in Snoopy 1.2.3 and earlier, as used in (1) ampache, (2) libphp-snoopy, (3) mahara, (4) mediamate, (5) opendb, (6) pixelpost, and possibly other products, allows remote attackers to execute arbitrary commands via shell metacharacters in https URLs.
https://www.nagios.org/projects/nagios-core/history/4x/
https://security.gentoo.org/glsa/201702-26
https://exchange.xforce.ibmcloud.com/vulnerabilities/46068
http://www.vupen.com/english/advisories/2008/2901
http://www.securityfocus.com/bid/31887
http://www.securityfocus.com/archive/1/496068/100/0/threaded
http://www.openwall.com/lists/oss-security/2008/11/01/1
http://www.debian.org/security/2009/dsa-1871
http://www.debian.org/security/2008/dsa-1691
http://secunia.com/advisories/32361