The client in Mumble 1.2.x before 1.2.6 allows remote attackers to force the loading of an external file and cause a denial of service (hang and resource consumption) via a crafted string that is treated as rich-text by a Qt widget, as demonstrated by the (1) user or (2) channel name in a Qt dialog, (3) subject common name or (4) email address to the Certificate Wizard, or (5) server name in a tooltip.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "1.2.4-0.2ubuntu1.1", "binary_name": "mumble" }, { "binary_version": "1.2.4-0.2ubuntu1.1", "binary_name": "mumble-dbg" }, { "binary_version": "1.2.4-0.2ubuntu1.1", "binary_name": "mumble-server" } ] }