high7.5
CVE-2025-8677
Querying for records within a specially crafted zone containing certain malformed DNSKEY records can lead to CPU exhaustion.
Impact
Querying for records within a specially crafted zone containing certain malformed DNSKEY records can lead to CPU exhaustion. This issue affects BIND 9 versions 9.18.0 through 9.18.39, 9.20.0 through 9.20.13, 9.21.0 through 9.21.12, 9.18.11-S1 through 9.18.39-S1, and 9.20.9-S1 through 9.20.13-S1.
Affected products
| Product | Affected versions |
|---|---|
| BIND 9 Versions 9.18.0 | through 9.18.39 |
| 9.20.0 | through 9.20.13 |
| 9.21.0 | through 9.21.12 |
| 9.18.11-S1 | through 9.18.39-S1 |
| And 9.20.9-S1 | through 9.20.13-S1. |
Versions were read from the advisory text. No structured product data has been published for this record yet.