unbound: Unbound: Cache poisoning via insufficient RRSIG.Labels validation and premature cache writes

A flaw was found in Unbound. Insufficient validation of the RRSIG.Labels field, combined with premature cache writes during RFC 8198 aggressive NSEC processing, can lead to cache poisoning. This vulnerability allows a malicious actor, controlling a single delegated zone, to poison arbitrary sibli...

AZL-92931 CVE-2026-44690 affecting package unbound for versions less than 1.25.2-1

In NLnet Labs Unbound 1.7.0 up to and including 1.25.1, insufficient validation of the RRSIG.Labels field combined with premature cache writes during RFC 8198 aggressive NSEC processing leads to cache poisoning that permits a malicious actor controlling a single delegated zone to poison arbitrary...

CVE-2026-44690: Insufficient Verification of Data Authenticity

In NLnet Labs Unbound 1.7.0 up to and including 1.25.1, insufficient validation of the RRSIG.Labels field combined with premature cache writes during RFC 8198 aggressive NSEC processing leads to cache poisoning that permits a malicious actor controlling a single delegated zone to poison arbitrary...

CVE-2022-0635

An assertion check flaw was found in BIND, with a refactoration of RFC 8198 Aggressive Use of the DNSSEC-Validated Cache feature synth-from-dnssec. The repeated patterns of specific queries to servers with this feature enabled could cause an INSIST failure in query.c:querydname, which results in...