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ALPINE-CVE-2026-4891

ALPINE-CVE-2026-4891

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 5.3 · Medium · Fix available

Published
Updated

Stack: system

Affected products and versions

  • dnsmasq Alpine:v3.22

    Affected ranges
    • ECOSYSTEM: < 2.91-r1

    Update to 2.91-r1

  • dnsmasq Alpine:v3.23

    Affected ranges
    • ECOSYSTEM: < 2.91-r1

    Update to 2.91-r1

  • dnsmasq Alpine:v3.24

    Affected ranges
    • ECOSYSTEM: < 2.92_p2-r0

    Update to 2.92_p2-r0

Original sources

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