EUVD-2026-31109

An unbounded resend loop vulnerability exists in the BIND 9 resolver state machine during bad-server handling, enabling a remote unauthenticated attacker to cause severe resource exhaustion by sending queries that trigger specific retry conditions. This issue affects BIND 9 versions 9.18.36 throu...

Important: bind

Issue Overview: If a named caching resolver is configured with serve-stale-enable yes, and with stale-answer-client-timeout set to 0 the only allowable value other than disabled, and if the resolver, in the process of resolving a query, encounters a CNAME chain involving a specific combination of...

ALPINE-CVE-2023-6516

To keep its cache database efficient, named running as a recursive resolver occasionally attempts to clean up the database. It uses several methods, including some that are asynchronous: a small chunk of memory pointing to the cache element that can be cleaned up is first allocated and then queue...

PT-2022-4938 · Isc +11 · Bind +11

Name of the Vulnerable Software and Affected Versions: BIND versions affected versions not specified Description: The issue is related to a flaw in the resolver code of the DNS server, which can be exploited by flooding the target resolver with queries, significantly impairing its performance and...