Software Link for dnsmasq 2.79-1product
https://launchpad.net/ubuntu/+source/dnsmasq/2.79-1 CVE-2020-37127
MEDIUM
dnsmasq-utils 2.79-1 - 'dhcp_release' Denial of Service
Record summary
CVE-2020-37127 has a selected CVSS score of 6.9 (medium); EIP currently links 1 catalogued exploit.
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.
Description source: CVE List
Exploitation context
Available material
- Catalogued exploits
- 1
CISA SSVC decision
ExploitationPoC
AutomatableNo
Technical impactPartial
CISA Coordinator · SSVC 2.0.3 · Evaluated Feb 5, 2026 · Source: CVE List
Affected products and versions
1| Product | Source | Version range | Status |
|---|---|---|---|
dnsmasq-utilsBrowse dnsmasq / dnsmasq-utilsDefault status: unaffected | CVE List | 2.79 | affected |
Proofs of concept
1Catalogued exploits
ExploitDBdnsmasq-utils 2.79-1 - 'dhcp_release' Denial of Service (PoC)ExploitDB exploitby JosueEncinarNot analyzed1 file
References
4nvd.nist.gov
https://nvd.nist.gov/vuln/detail/CVE-2020-37127 ExploitDB-48301exploit
https://www.exploit-db.com/exploits/48301 VulnCheck Advisory: dnsmasq-utils 2.79-1 - 'dhcp_release' Denial of ServiceThird-party advisory
https://www.vulncheck.com/advisories/dnsmasq-utils-dhcprelease-denial-of-service