CVE-2023-28452: Coredns.io Coredns

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

An issue was discovered in CoreDNS through 1.10.1. There is a vulnerability in DNS resolving software, which triggers a resolver to ignore valid responses, thus causing denial of service for normal resolution. In an exploit, the attacker could just forge a response targeting the source port of a vulnerable resolver without the need to guess the correct TXID.

Affected products

• Coredns.io Coredns: up to and including 1.10.1

Published 2024-09-18. Last modified 2026-06-17.