CVE-2026-80274

BIND 9 validating resolvers are affected by a bug where the resolver can abort (unexpected program exit) while caching a mismatched NOQNAME proof . Specifically, when querying a DNSSEC-signed authoritative zone , a response containing a valid wildcard answer with a signed NSEC3 proof followed by ...

CVE-2026-19662 qpcache NOQNAME proof use-after-free crashes recursive resolver

An attacker may be able to cause a named resolver to abort. The attack requires inducing the victim resolver to send multiple queries for a DNSSEC-signed zone hosted by an authoritative server under the control of the attacker. If the auth responds with a particular sequence of crafted answers, a...