CVE-2023-32067

c-ares: 0-byte UDP payload Denial of Service

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Severity

Important

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · May 22, 2023

Updated · June 28, 2026

Description

A vulnerability was found in c-ares. This issue occurs due to a 0-byte UDP payload that can cause a Denial of Service.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-400 · Uncontrolled Resource Consumption