Flaw bug created to hold information about an old flaw we knew something about. For more details see the MITRE CVE description.
MITRE description: 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.