Icecast before 2.4.1 transmits the output of the on-connect script, which might allow remote attackers to obtain sensitive information, related to shared file descriptors.
Directory traversal vulnerability in the list_directory function in Icecast 1.3.12 allows remote attackers to determine if a directory exists via a .. (dot dot) in the GET request, which returns different error messages depending on whether the directory exists or not.
Directory traversal vulnerability in Icecast 1.3.10 and earlier allows remote attackers to read arbitrary files via a modified .. (dot dot) attack using encoded URL characters.