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CVE-2022-3620

Estado: AnalizadaCrítica (9.8)—

A vulnerability was found in Exim and classified as problematic. This issue affects the function dmarc_dns_lookup of the file dmarc.c of the component DMARC Handler. The manipulation leads to use after free. The attack may be initiated remotely. The name of the patch is 12fb3842f81bcbd4a4519d5728f2d7e0e3ca1445. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211919.

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 (2)

Exim — EximFedoraproject — Fedora

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2022-3620",
  "cveTags": [],
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          "options": [
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              "exploitation": "none"
            },
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              "automatable": "no"
            },
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              "technicalImpact": "partial"
            }
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          "version": "2.0.3",
          "timestamp": "2025-04-14T17:08:15.156328Z"
        }
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          "integrityImpact": "LOW",
          "userInteraction": "NONE",
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  ],
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    {
      "lang": "en",
      "value": "A vulnerability was found in Exim and classified as problematic. This issue affects the function dmarc_dns_lookup of the file dmarc.c of the component DMARC Handler. The manipulation leads to use after free. The attack may be initiated remotely. The name of the patch is 12fb3842f81bcbd4a4519d5728f2d7e0e3ca1445. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211919."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado una vulnerabilidad en Exim y se ha clasificado como problemática. Este problema afecta a la función dmarc_dns_lookup del archivo dmarc.c del componente DMARC Handler. La manipulación conlleva a un uso de memoria previamente liberada. El ataque puede ser iniciado remotamente. El nombre del parche es 12fb3842f81bcbd4a4519d5728f2d7e0e3ca1445. Es recomendado aplicar el parche para corregir este problema. El identificador asociado a esta vulnerabilidad es VDB-211919"
    }
  ],
  "lastModified": "2026-06-17T04:59:53.500",
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