icecast before 2.3.3 allows remote attackers to inject control characters such as newlines into the error loc (error.log) via a crafted URL.
https://bugzilla.redhat.com/show_bug.cgi?id=768176
http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090695.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090668.html