Google CityHash computes hash values without properly restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table, as demonstrated by a universal multicollision attack.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Cityhash | - (including) | - (including) | |
| Cityhash | Ubuntu | oneiric | * |
| Cityhash | Ubuntu | precise | * |
| Cityhash | Ubuntu | quantal | * |
| Cityhash | Ubuntu | raring | * |
| Cityhash | Ubuntu | upstream | * |