CVE-2026-66374

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.

Affected Platforms

Weakness Type

CWE-1284

References

• https://github.com/venglin/knot-doq
• https://openwall.com/lists/oss-security/2026/07/23/6
• https://github.com/venglin/knot-doq