CVE-2026-66374
knot-resolver: Knot Resolver before 6.4.1 allows remote code execution via a heap-based buffer overflow in the DoQ (DNS-over-QUIC) r...
CVE-2026-66374 is fixed in knot-resolver on 1 platform by DEBIAN-CVE-2026-66374 (version 6.4.1-1), released July 26, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
8.1
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0062
50th percentile
Knot Resolver before 6.4.1 allows remote code execution via a heap-based buffer overflow in the DoQ (DNS-over-QUIC) receive path.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| knot-resolver · Debian 14 | 6.4.1-1 | DEBIAN-CVE-2026-66374 | Jul 26, 2026 |
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