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

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Remediation

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Tracking

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Advisories

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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

No data.

Weaknesses
  • CWE-1284

    Improper Validation of Specified Quantity in Input