Multiple cross-site scripting (XSS) vulnerabilities in Cgi/confirm.py in GNU Mailman 2.1.14 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) full name or (2) username field in a confirmation message.

Mailman before 2.1.9rc1 allows remote attackers to cause a denial of service via unspecified vectors involving "standards-breaking RFC 2231 formatted headers".

Multiple cross-site scripting (XSS) vulnerabilities in Mailman before 2.1.9rc1 allow remote attackers to inject arbitrary web script or HTML via unspecified vectors.

The attachment scrubber (Scrubber.py) in Mailman 2.1.5 and earlier, when using Python's library email module 2.5, allows remote attackers to cause a denial of service (mailing list delivery failure) via a multipart MIME message with a single part that has two blank lines between the first boundary and the end boundary.

Directory traversal vulnerability in the true_path function in private.py for Mailman 2.1.5 and earlier allows remote attackers to read arbitrary files via ".../....///" sequences, which are not properly cleansed by regular expressions that are intended to remove "../" and "./" sequences.

Cross-site scripting (XSS) vulnerability in the driver script in mailman before 2.1.5 allows remote attackers to inject arbitrary web script or HTML via a URL, which is not properly escaped in the resulting error page.

The password generation in mailman before 2.1.5 generates only 5 million unique passwords, which makes it easier for remote attackers to guess passwords via a brute force attack.

Mailman before 2.1.5 allows remote attackers to obtain user passwords via a crafted email request to the Mailman server.