CVE-2026-52688: RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation

PriorityP346high7.5CVSS 3.1

AVNACLPRNUINSUCNIHAN

EPSS

0.18%

6.5th percentile

RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation

Affected

3 ranges

Vendor	Product	Version range	Fixed in
powerdns	recursor	>= 5.2.0 < 5.2.12	5.2.12
powerdns	recursor	>= 5.3.0 < 5.3.9	5.3.9
powerdns	recursor	>= 5.4.0 < 5.4.4	5.4.4

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