Buffer Overflow Affecting dnsmasq-utils package, versions *


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.01% (1st percentile)

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  • Snyk IDSNYK-CENTOS9-DNSMASQUTILS-15574078
  • published15 Mar 2026
  • disclosed5 Feb 2026

Introduced: 5 Feb 2026

CVE-2020-37127  (opens in a new tab)
CWE-120  (opens in a new tab)

How to fix?

There is no fixed version for Centos:9 dnsmasq-utils.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dnsmasq-utils package and not the dnsmasq-utils package as distributed by Centos. See How to fix? for Centos:9 relevant fixed versions and status.

Dnsmasq-utils 2.79-1 contains a buffer overflow vulnerability in the dhcp_release utility that allows attackers to cause a denial of service by supplying excessive input. Attackers can trigger a core dump and terminate the dhcp_release process by sending a crafted input string longer than 16 characters.

CVSS Base Scores

version 3.1