Unbound before 1.4.13p2 attempts to free unallocated memory during processing of duplicate CNAME records in a signed zone, which allows remote DNS servers to cause a denial of service (daemon crash) via a crafted response.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Unbound | Unbound | 0.0 | 0.0 |
| Unbound | Unbound | 0.1 | 0.1 |
| Unbound | Unbound | 0.2 | 0.2 |
| Unbound | Unbound | 0.3 | 0.3 |
| Unbound | Unbound | 0.4 | 0.4 |
| Unbound | Unbound | 0.5 | 0.5 |
| Unbound | Unbound | 0.6 | 0.6 |
| Unbound | Unbound | 0.7 | 0.7 |
| Unbound | Unbound | 0.7.1 | 0.7.1 |
| Unbound | Unbound | 0.7.2 | 0.7.2 |
| Unbound | Unbound | 0.8 | 0.8 |
| Unbound | Unbound | 0.09 | 0.09 |
| Unbound | Unbound | 0.10 | 0.10 |
| Unbound | Unbound | 0.11 | 0.11 |
| Unbound | Unbound | 1.0.0 | 1.0.0 |
| Unbound | Unbound | 1.0.1 | 1.0.1 |
| Unbound | Unbound | 1.0.2 | 1.0.2 |
| Unbound | Unbound | 1.1.0 | 1.1.0 |
| Unbound | Unbound | 1.1.1 | 1.1.1 |
| Unbound | Unbound | 1.2.0 | 1.2.0 |
| Unbound | Unbound | 1.2.1 | 1.2.1 |
| Unbound | Unbound | 1.3.0 | 1.3.0 |
| Unbound | Unbound | 1.3.1 | 1.3.1 |
| Unbound | Unbound | 1.3.2 | 1.3.2 |
| Unbound | Unbound | 1.3.3 | 1.3.3 |
| Unbound | Unbound | 1.3.4 | 1.3.4 |
| Unbound | Unbound | 1.4.0 | 1.4.0 |
| Unbound | Unbound | 1.4.1 | 1.4.1 |
| Unbound | Unbound | 1.4.2 | 1.4.2 |
| Unbound | Unbound | 1.4.3 | 1.4.3 |
| Unbound | Unbound | 1.4.4 | 1.4.4 |
| Unbound | Unbound | 1.4.5 | 1.4.5 |
| Unbound | Unbound | 1.4.6 | 1.4.6 |
| Unbound | Unbound | 1.4.7 | 1.4.7 |
| Unbound | Unbound | 1.4.8 | 1.4.8 |
| Unbound | Unbound | 1.4.9 | 1.4.9 |
| Unbound | Unbound | 1.4.10 | 1.4.10 |
| Unbound | Unbound | 1.4.11 | 1.4.11 |
| Unbound | Unbound | 1.4.12 | 1.4.12 |
| Unbound | Unbound | * | 1.4.13 |
| Unbound | Unbound | 1.4.14 | 1.4.14 |
| Unbound | Ubuntu | lucid | * |
| Unbound | Ubuntu | maverick | * |
| Unbound | Ubuntu | natty | * |
| Unbound | Ubuntu | oneiric | * |