AUGUST 4, 2026
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Case File

CVE-2023-26249

HIGH · CVSS 7.5 EPSS 0.71%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-02-21 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. It may lead to a denial-of-service condition.

CVE
CVE-2023-26249
Severity
HIGH
CVSS
7.5
EPSS
0.71%

Original NVD Description

Knot Resolver before 5.6.0 enables attackers to consume its resources, launching amplification attacks and potentially causing a denial of service. Specifically, a single client query may lead to a hundred TCP connection attempts if a DNS server closes connections without providing a response.

Related CVEs

Other vulnerabilities affecting the same vendor(s)