Mumble 1.2.3 and earlier uses world-readable permissions for .local/share/data/Mumble/.mumble.sqlite files in home directories, which might allow local users to obtain a cleartext password and configuration data by reading a file.
https://github.com/mumble-voip/mumble/commit/5632c35d6759f5e13a7dfe78e4ee6403ff6a8e3e
https://bugzilla.redhat.com/show_bug.cgi?id=791000
https://bugs.launchpad.net/ubuntu/+source/mumble/+bug/783405
http://www.securityfocus.com/bid/52024
http://www.openwall.com/lists/oss-security/2012/02/15/2
http://www.openwall.com/lists/oss-security/2012/02/15/1
http://www.debian.org/security/2012/dsa-2411
http://secunia.com/advisories/47951