Medium severity5.5NVD Advisory· Published Feb 5, 2026· Updated Apr 15, 2026

CVE-2020-37127

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.

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

launchpad.net/ubuntu/+source/dnsmasq/2.79-1nvd
www.exploit-db.com/exploits/48301nvd
www.vulncheck.com/advisories/dnsmasq-utils-dhcprelease-denial-of-servicenvd

News mentions

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cvss	0.358
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ransomware	0.000