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High severity7.5OSV Advisory· Published Jul 23, 2026· Updated Jul 23, 2026

CVE-2026-52688

CVE-2026-52688

Description

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

Affected products

2

PowerDNS/PdnsOSV
Range: rec-5.2.10, rec-5.3.7, rec-5.4.2, …
PowerDNS/Pdns Recursorllm-fuzzy

Patches

Vulnerability mechanics

References

1

docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-10.htmlnvd

News mentions

0

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