Florian Streibelt reported a a directory traversal flaw in the way the Mailing List Managing Made Joyful mailing list manager processed users" requests originating from the administrator web interface without enough input validation. A remote, authenticated attacker could use these flaws to write and / or delete arbitrary files. For the stable distribution , these problems have been fixed in version 1.2.15-1.1+lenny1. For the unstable distribution , these problems have been fixed in version 1.2.17-1.1. We recommend that you upgrade your mlmmj package.