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CVE-2026-123577

HIGH CVSS: 7.5 Published: 2026-11-08 Modified: 2026-11-08

Description

Hickory DNS from 0.24.0 before 0.26.2 contains a resource exhaustion vulnerability that allows remote attackers to consume server memory via unbounded DoH request bodies. Attackers can send large request bodies over HTTP/2 or HTTP/3 to a DNS over HTTP server, causing memory exhaustion and denial of service.

Affected Platforms

Unknown

Weakness Type

CWE-770

References