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CVE-2021-4091

Estado: ModificadaAlta (7.5)—

A double-free was found in the way 389-ds-base handles virtual attributes context in persistent searches. An attacker could send a series of search requests, forcing the server to behave unexpectedly, and crash.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (8)

Port389 — 389-ds-baseRedhat — Enterprise Linux DesktopRedhat — Enterprise Linux FOR IBM Z SystemsRedhat — Enterprise Linux FOR Power BIG EndianRedhat — Enterprise Linux FOR Power Little EndianRedhat — Enterprise Linux FOR Scientific ComputingRedhat — Enterprise Linux ServerRedhat — Enterprise Linux Workstation

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2021-4091",
  "cveTags": [],
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          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
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          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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        "impactScore": 3.6,
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  "affected": [
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      "affectedData": [
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          "vendor": "n/a",
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  "descriptions": [
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      "lang": "en",
      "value": "A double-free was found in the way 389-ds-base handles virtual attributes context in persistent searches. An attacker could send a series of search requests, forcing the server to behave unexpectedly, and crash."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado una vulnerabilidad de doble liberación en la forma en que 389-ds-base maneja el contexto de los atributos virtuales en las búsquedas persistentes. Un atacante podría enviar una serie de peticiones de búsqueda, forzando al servidor a comportarse de forma inesperada, y bloquearse"
    }
  ],
  "lastModified": "2026-06-17T04:19:01.210",
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