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8.6Hoch

CVE-2026-13321DNSSEC Validation Bypass via Out-of-Zone NSEC Next Field

ISC BIND 9 Veröffentlicht: (vor 3 Monaten)

Beschreibung

The BIND resolver accepts validly-signed NSEC records where the "Next Domain Name" field points outside the signer's zone. This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 through 9.20.24, 9.21.0 through 9.21.23, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.24-S1.

Schwachstellentyp (CWE): CWE-346

Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.

Betroffene Produkte und Versionen

HerstellerProduktVersionen
isc bind 9.11.0 – ≤ 9.18.50
ISC BIND 9 9.11.0 – ≤ 9.18.50, 9.20.0 – ≤ 9.20.24, 9.21.0 – ≤ 9.21.23, 9.11.3-S1 – ≤ 9.18.50-S1, 9.20.9-S1 – ≤ 9.20.24-S1

Referenzen und Patches

CPE-Treffer (NVD) (5)
  • cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:* ≥ 9.11.0 ≤ 9.18.50
  • cpe:2.3:a:isc:bind:*:*:*:*:supported_preview:*:*:* ≥ 9.11.3 ≤ 9.18.50
  • cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:* ≥ 9.20.0 ≤ 9.20.24
  • cpe:2.3:a:isc:bind:*:*:*:*:supported_preview:*:*:* ≥ 9.20.9 ≤ 9.20.24
  • cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:* ≥ 9.21.0 ≤ 9.21.23

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