CVE-2026-66374 PUBLISHED

Assigner: mitre
Reserved: 25.07.2026 Published: 25.07.2026 Updated: 25.07.2026

Knot Resolver before 6.4.1 allows remote code execution via a heap-based buffer overflow in the DoQ (DNS-over-QUIC) receive path.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L
CVSS Score: 8.1

Product Status

Vendor nic
Product Knot Resolver
Versions Default: unaffected
  • affected from 0 to 6.4.1 (excl.)

References

Problem Types

  • CWE-1284 Improper Validation of Specified Quantity in Input CWE