← Database

CVE-2021-40083

HIGH CVSS: 7.5 Published: 2021-08-25 Modified: 2026-06-17

Description

Knot Resolver before 5.3.2 is prone to an assertion failure, triggerable by a remote attacker in an edge case (NSEC3 with too many iterations used for a positive wildcard proof).

Affected Platforms

Nic Knot Resolver

Weakness Type

CWE-617

References