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Vulnerability DatabaseCVE-2020-37127

CVE-2020-37127: 
dnsmasq vulnerability analysis and mitigation

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.

Source: NVD

Related dnsmasq vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2023-49441HIGH7.5
  • dnsmasqdnsmasq
  • dnsmasq
NoYesJun 06, 2024
CVE-2020-37127MEDIUM6.9
  • dnsmasqdnsmasq
  • dnsmasq
NoYesFeb 05, 2026
CVE-2025-12200N/AN/A
  • dnsmasqdnsmasq
  • dnsmasq
NoNoOct 27, 2025
CVE-2025-12199N/AN/A
  • dnsmasqdnsmasq
  • dnsmasq
NoNoOct 27, 2025
CVE-2025-12198N/AN/A
  • dnsmasqdnsmasq
  • dnsmasq
NoNoOct 27, 2025

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