CVE-2026-42388

MEDIUM 5.9

Missing input validation for catalog zones

CVSS Score

5.9

EPSS Score

0.0%

EPSS Percentile

0th

Incomplete validation of the SOA record present in a catalog zone might lead to a crash.

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CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

PowerDNS / Recursor

5.2.0 < 5.2.11 5.3.0 < 5.3.8 5.4.0 < 5.4.3

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