CVE-2021-25220
MEDIUM6.8EPSS 0.09%bind9 - security update
Published: 3/23/2022Modified: 4/28/2026
Description
BIND 9.11.0 -> 9.11.36 9.12.0 -> 9.16.26 9.17.0 -> 9.18.0 BIND Supported Preview Editions: 9.11.4-S1 -> 9.11.36-S1 9.16.8-S1 -> 9.16.26-S1 Versions of BIND 9 earlier than those shown - back to 9.1.0, including Supported Preview Editions - are also believed to be affected but have not been tested as they are EOL. The cache could become poisoned with incorrect records leading to queries being made to the wrong servers, which might also result in false information being returned to clients.
Affected packages (4)
- Alpine/bindfrom 0, < 9.16.27-r0
- Debian/bind9from 0, < 1:9.16.27-1~deb11u1
- Debian/bind9from 0, < 1:9.10.3.dfsg.P4-12.3+deb9u11
- Debian/bind9from 0, < 1:9.11.5.P4+dfsg-5.1+deb10u7
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N |