CVE-2021-40083
HIGH7.5EPSS 0.84%Published: 8/25/2021Modified: 4/28/2026
Also known as:DEBIAN-CVE-2021-40083
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 packages (1)
- Debian/knot-resolverfrom 0, < 5.3.1-1+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |