CVE-2026-42389
MEDIUM
5.3
CVSS 3.1
Description
This fix provides extra hardening for the 5.4.x branch by doing extra validation of incoming answers from authoritative servers.
Metadata
Severity & Metrics
5.3
MEDIUM CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
SSVC — CISA Coordinator
Affected products (1)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| PowerDNS | Recursor | — | 5.4.0 < 5.4.3 |
Weakness (CWE)
| CWE | Source | Description |
|---|---|---|
| — | cna | Improper Input Validation |
| CWE-20 | adp | CWE-20 Improper Input Validation |
CVSS scores (1)
| Score | Severity | Version | Source | Vector |
|---|---|---|---|---|
| 5.3 | MEDIUM | 3.1 | cna | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
References (1)