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ALPINE-CVE-2026-78301

ALPINE-CVE-2026-78301

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

A malformed zone may contain an NS or DNAME node above its origin, which `named` treats as a zone cut. If an attacker inserts a malformed zone into a BIND authoritative server (e.g., via zone transfer), queries for names inside the configured zone then lose authoritative status and return an out-of-zone delegation. On a server that also provides recursion BIND can follow this locally sourced cut and cache attacker-supplied data, affecting names outside the configured zone. This situation persists as long as the malformed zone remains in the zone database. This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 through 9.20.27, 9.21.0 through 9.21.25, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.27-S1.

CVSS 5.8 · Medium · Fix available

Published
Updated

Stack: system

Affected products and versions

  • bind Alpine:v3.22

    Affected ranges
    • ECOSYSTEM: < 9.20.29-r0

    Update to 9.20.29-r0

  • bind Alpine:v3.23

    Affected ranges
    • ECOSYSTEM: < 9.20.29-r0

    Update to 9.20.29-r0

  • bind Alpine:v3.24

    Affected ranges
    • ECOSYSTEM: < 9.20.29-r0

    Update to 9.20.29-r0

Original sources

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