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ALPINE-CVE-2026-5172

ALPINE-CVE-2026-5172

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

A buffer overflow in dnsmasq’s extract_addresses() function allows an attacker to trigger a heap out-of-bounds read and crash by exploiting a malformed DNS response, enabling extract_name() to advance the pointer past the record’s end.

CVSS 7.3 · High · 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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