CRLF injection vulnerability in Request Tracker (RT) 3.8.x before 3.8.17 and 4.0.x before 4.0.13 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via a MIME header.
Argument injection vulnerability in Request Tracker (RT) 3.8.x before 3.8.15 and 4.0.x before 4.0.8 allows remote attackers to create arbitrary files via unspecified vectors related to the GnuPG client.
The Authen::ExternalAuth extension before 0.11 for Best Practical Solutions RT allows remote attackers to obtain a logged-in session via unspecified vectors related to the "URL of a RSS feed of the user."