CVE-2026-42396
medium
CVSS v3
6.5
CVSS v2
—
VIR risk
6.5
Description
Insufficient Validation of Member Zone Data May Cause Catalog Zone Transfer to Fail
Predictions
Exploit likelihood
75%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-42396
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | affected | |
| debian | bullseye | affected | |
| debian | forky | fixed | 5.0.5-1 |
| debian | sid | fixed | 5.0.5-1 |
| debian | trixie | fixed | 4.9.15-0+deb13u1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| powerdns | authoritative | {"startIncluding":"4.7.0","endExcluding":"4.9.15"} | 4.9.15 |
References
CWEs
CWE-94
Verify integrity in audit chain (admin only). AS-IS.