By spoofing the target resolver with responses that have a malformed ECDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources.
https://kb.isc.org/docs/cve-2022-38177
https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html
https://security.gentoo.org/glsa/202210-25
https://security.netapp.com/advisory/ntap-20221228-0010/