8.1

CVE-2026-66374

Knot Resolver before 6.4.1 allows remote code execution via a heap-based buffer overflow in the DoQ (DNS-over-QUIC) receive path.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
Herstellernic
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Produkt Knot Resolver
Default Statusunaffected
Version 0
Version < 6.4.1
Status affected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.39% 0.315
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
MITRE 8.1 2.2 5.3
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L
CWE-1284 Improper Validation of Specified Quantity in Input

The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.

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