Description
Knot Resolver before 6.4.1 allows remote code execution via a heap-based buffer overflow in the DoQ (DNS-over-QUIC) receive path.
Published: 2026-07-25
Score: 8.1 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Sat, 25 Jul 2026 01:00:00 +0000

Type Values Removed Values Added
Description Knot Resolver before 6.4.1 allows remote code execution via a heap-based buffer overflow in the DoQ (DNS-over-QUIC) receive path.
First Time appeared Nic
Nic knot Resolver
Weaknesses CWE-1284
CPEs cpe:2.3:a:nic:knot_resolver:*:*:*:*:*:*:*:*
Vendors & Products Nic
Nic knot Resolver
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L'}


Subscriptions

Nic Knot Resolver
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-07-25T00:28:34.320Z

Reserved: 2026-07-25T00:28:33.968Z

Link: CVE-2026-66374

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-25T02:30:04Z

Weaknesses