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CVE-2023-2829

Full vulnerability record from the local CVENow database.

Description

A `named` instance configured to run as a DNSSEC-validating recursive resolver with the Aggressive Use of DNSSEC-Validated Cache (RFC 8198) option (`synth-from-dnssec`) enabled can be remotely terminated using a zone with a malformed NSEC record. This issue affects BIND 9 versions 9.16.8-S1 through 9.16.41-S1 and 9.18.11-S1 through 9.18.15-S1.

Severity
HIGH
CVSS score
7.5 (v3.1)
Vulnerability status
Modified
Source identifier
Published
2023-06-21 17:15:47.770000
Last modified
2026-10-24 19:10:00.127000
View original CVE JSON
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  "id": "CVE-2023-2829",
  "sourceIdentifier": "[email protected]",
  "published": "2023-06-21T17:15:47.770",
  "lastModified": "2026-10-24T19:10:00.127",
  "vulnStatus": "Modified",
  "cveTags": [],
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      "value": "A `named` instance configured to run as a DNSSEC-validating recursive resolver with the Aggressive Use of DNSSEC-Validated Cache (RFC 8198) option (`synth-from-dnssec`) enabled can be remotely terminated using a zone with a malformed NSEC record.\nThis issue affects BIND 9 versions 9.16.8-S1 through 9.16.41-S1 and 9.18.11-S1 through 9.18.15-S1."
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      "value": "Una instancia de 'named' configurada para ejecutarse como un resolvedor recursivo validador de DNSSEC con la opción de Uso Agresivo de Caché Validada por DNSSEC (RFC 8198) ('synth-from-dnssec') habilitada puede ser terminada remotamente utilizando una zona con un registro NSEC malformado.\nEste problema afecta a las versiones de BIND 9 desde la 9.16.8-S1 hasta la 9.16.41-S1 y desde la 9.18.11-S1 hasta la 9.18.15-S1."
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