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.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Mumble | Mumble | 1.2.0 (including) | 1.2.0 (including) |
| Mumble | Mumble | 1.2.1 (including) | 1.2.1 (including) |
| Mumble | Mumble | 1.2.2 (including) | 1.2.2 (including) |
| Mumble | Mumble | 1.2.3 (including) | 1.2.3 (including) |
| Mumble | Mumble | 1.2.3-rc1 (including) | 1.2.3-rc1 (including) |
| Mumble | Mumble | 1.2.3-rc2 (including) | 1.2.3-rc2 (including) |
| Mumble | Mumble | 1.2.3-rc3 (including) | 1.2.3-rc3 (including) |
| Mumble | Mumble | 1.2.4 (including) | 1.2.4 (including) |
| Mumble | Mumble | 1.2.4-beta1 (including) | 1.2.4-beta1 (including) |
| Mumble | Mumble | 1.2.4-rc1 (including) | 1.2.4-rc1 (including) |
| Mumble | Mumble | 1.2.5 (including) | 1.2.5 (including) |