Icecast is vulnerable to Denial of service (DoS). An attacker is able to cause a denial of service via a request without login credentials.
lists.fedoraproject.org/pipermail/package-announce/2015-August/163859.html
lists.fedoraproject.org/pipermail/package-announce/2015-August/164061.html
lists.fedoraproject.org/pipermail/package-announce/2015-August/164074.html
lists.opensuse.org/opensuse-updates/2015-04/msg00030.html
lists.xiph.org/pipermail/icecast-dev/2015-April/002460.html
www.debian.org/security/2015/dsa-3239
www.openwall.com/lists/oss-security/2015/04/08/11
www.openwall.com/lists/oss-security/2015/04/08/8
www.securityfocus.com/bid/73965
bugs.debian.org/cgi-bin/bugreport.cgi?bug=782120
security-tracker.debian.org/tracker/CVE-2015-3026
security.gentoo.org/glsa/201508-03
trac.xiph.org/changeset/27abfbbd688df3e3077b535997330aa06603250f/icecast-server
trac.xiph.org/ticket/2191