Malformed NSEC records can cause named to terminate unexpectedly when synth-from-dnssec is enabled
En bref
Sévérité
HIGH 7.5
EPSS
EPSS 0.88 % · centile 59 (2026-10-27)
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
isc
Statut NVD
Modified
Description
A `named` instance configured to run as a DNSSEC-validating recursive resolver with the Aggressive Use of DNSSEC-Validated Cache (RFC 8198) option (`synth-from-dnssec`) enabled can be remotely terminated using a zone with a malformed NSEC record.
This issue affects BIND 9 versions 9.16.8-S1 through 9.16.41-S1 and 9.18.11-S1 through 9.18.15-S1.