Package · Wolfi

dnsmasq

7 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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Medium 5.3

CVE-2026-4893 Public exploit

CVE-2026-4893

An information disclosure vulnerability in dnsmasq allows remote attackers to bypass source checks via a crafted DNS packet with RFC 7871 client subnet information.

dnsmasq dnsmasq dnsmasq dnsmasq Debian Ubuntu Azure Linux Alpine Wolfi

May 11, 2026
Medium 5.3

CVE-2026-4891

CVE-2026-4891

A heap-based out-of-bounds read vulnerability in the DNSSEC validation of dnsmasq allows remote attackers to cause a denial of service via a crafted DNS packet.

dnsmasq dnsmasq dnsmasq dnsmasq Debian Ubuntu Azure Linux Alpine Wolfi

May 11, 2026