Last Modified: Sep 29, 2022
Opened: Aug 17, 2022
DNS express sends a malformed response when UDP size limit is set to 512.
Malformed DNS express responses is received when UDP size limit set to exactly 512 and a zone is signed with algorithm 13.
The UDP size limit is set to exactly 512 and a zone that is signed with algorithm 13 (ECDSA Curve P-256 with SHA-256), the DNS express responds with a malformed packet.