Stack-based Buffer Overflow Affecting dnsmasq package, versions [,2.80-test6)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-DNSMASQ-15248312
- published8 Feb 2026
- disclosed5 Feb 2026
- creditJosue Encinar
Introduced: 5 Feb 2026
CVE-2020-37127 (opens in a new tab)How to fix?
Upgrade dnsmasq to version 2.80-test6 or higher.
Overview
Affected versions of this package are vulnerable to Stack-based Buffer Overflow via the dhcp_release process. An attacker can cause the process to terminate and trigger a core dump by supplying a crafted input string longer than 16 characters.