The wrapper program in mailman 2.0beta3 and 2.0beta4 does not properly cleanse untrusted format strings, which allows local users to gain privileges.
archives.neohapsis.com/archives/bugtraq/2000-07/0474.html
archives.neohapsis.com/archives/bugtraq/2000-07/0479.html
www.redhat.com/support/errata/RHSA-2000-030.html
www.securityfocus.com/archive/1/73220
www.securityfocus.com/bid/1539
www.securityfocus.com/templates/archive.pike?list=1&msg=20000802105050.A11733%40rak.isternet.sk