CVE-2020-37127 - CVE House
Back to Database
Status published Medium CVE-2020-37127

dnsmasq-utils 2.79-1 - 'dhcp_release' Denial of Service

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2020-37127

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Josue Encinar

Affected Vendor

Affected Software

dnsmasq-utils
Vulnerable Versions:
2.79

Timeline

Official Publish: February 5th, 2026
Last Modified: February 5th, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weaknesses (CWE)