Secure Cyber Vulnerability Management

16/07/2026
Zero-Day Initiative

ZDI-26-441: dnsmasq DNS Response Heap-based Buffer Overflow Remote Code Execution Vulnerability

by Deepanshu Jha
This vulnerability allows remote attackers to execute arbitrary code on affected installations of dnsmasq. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 8.1. The following CVEs are assigned: CVE-2026-2291.

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