CVE-2025-8677
published 2025-10-22CVE-2025-8677: Querying for records within a specially crafted zone containing certain malformed DNSKEY records can lead to CPU exhaustion. This issue affects BIND 9 versions…
high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
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
22 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | bind9 | < bind9 1:9.18.41-1~deb12u1 (bookworm) | bind9 1:9.18.41-1~deb12u1 (bookworm) |
| isc | bind | >= 0 < 9.18.41-r0 | 9.18.41-r0 |
| isc | bind | >= 0 < 9.18.41-r0 | 9.18.41-r0 |
| isc | bind | >= 0 < 9.18.41-r0 | 9.18.41-r0 |
| isc | bind | >= 0 < 9.20.15-r0 | 9.20.15-r0 |
| isc | bind | >= 0 < 9.20.15-r0 | 9.20.15-r0 |
| isc | bind9 | >= 0 < 1:9.16.50-1~deb11u4 | 1:9.16.50-1~deb11u4 |
| isc | bind9 | >= 0 < 1:9.18.41-1~deb12u1 | 1:9.18.41-1~deb12u1 |
| isc | bind9 | >= 0 < 1:9.20.15-1~deb13u1 | 1:9.20.15-1~deb13u1 |
| isc | bind9 | >= 0 < 1:9.20.15-1 | 1:9.20.15-1 |
| isc | bind9 | >= 0 < 1:9.18.39-0ubuntu0.22.04.2 | 1:9.18.39-0ubuntu0.22.04.2 |
| isc | bind9 | >= 0 < 1:9.18.39-0ubuntu0.24.04.2 | 1:9.18.39-0ubuntu0.24.04.2 |
| isc | bind9 | >= 0 < 1:9.20.11-1ubuntu2.1 | 1:9.20.11-1ubuntu2.1 |
| isc | bind9 | >= 0 < 1:9.18.30-0ubuntu0.20.04.2+esm1 | 1:9.18.30-0ubuntu0.20.04.2+esm1 |
| isc | bind_9 | 9.18.0 – 9.18.39 | — |
| isc | bind_9 | 9.18.11-S1 – 9.18.39-S1 | — |
| isc | bind_9 | 9.20.0 – 9.20.13 | — |
| isc | bind_9 | 9.20.9-S1 – 9.20.13-S1 | — |
| isc | bind_9 | 9.21.0 – 9.21.12 | — |
| msrc | azl3_bind_9.20.11-1_on_azure_linux_3.0 | — | — |
| msrc | azl3_bind_9.20.15-1_on_azure_linux_3.0 | — | — |
| msrc | cbl2_bind_9.16.50-2_on_cbl_mariner_2.0 | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
osv8.6HIGH