VDB
CVE-2020-37127
CVE-2020-37127
PUBLISHED
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.
EPSS 0.00% · 0.3th percentile
Risk Scores
EPSS Score
0.00%
0.3th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:22.04:LTS | dnsmasq | 2.86-1.1ubuntu0.2, 2.86-1.1ubuntu0.3, 2.86-1.1 |
| Ubuntu:Pro:14.04:LTS | dnsmasq | 0, 2.66-4ubuntu1, 2.67-1 |
| Ubuntu:Pro:16.04:LTS | dnsmasq | 2.79-1ubuntu0.16.04.1+esm2, 2.75-1, 2.75-1ubuntu0.16.04.1 |
| Ubuntu:Pro:18.04:LTS | dnsmasq | 2.78-3, 2.79-1, * |
Exploit Intelligence
Timeline
- Feb 5, 2026 CVE Published
- Feb 5, 2026 CVE Updated
- Feb 6, 2026 EPSS Score
- Feb 8, 2026 EPSS Score
- Feb 10, 2026 EPSS Score
- Feb 13, 2026 EPSS Score
- Feb 15, 2026 EPSS Score
- Feb 17, 2026 EPSS Score
- Feb 19, 2026 EPSS Score
- Feb 21, 2026 EPSS Score
- Feb 24, 2026 EPSS Score
- Feb 26, 2026 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-37127 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-37127 third-party-advisory
- https://www.exploit-db.com/exploits/48301 third-party-advisory
- https://launchpad.net/ubuntu/+source/dnsmasq/2.79-1 third-party-advisory
- https://www.vulncheck.com/advisories/dnsmasq-utils-dhcprelease-denial-of-service third-party-advisory