Quake 1 (quake1) and ProQuake 1.01 and earlier allow remote attackers to cause a denial of service via a malformed (empty) UDP packet.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Quake | Id_software | 1.9 (including) | 1.9 (including) |
| Proquake | J._p._grossman | 1.0 (including) | 1.0 (including) |