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CVE-2025-8114

Estado: ModificadaMedia (4.7)—

A flaw was found in libssh, a library that implements the SSH protocol. When calculating the session ID during the key exchange (KEX) process, an allocation failure in cryptographic functions may lead to a NULL pointer dereference. This issue can cause the client or server to 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 (1)

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2025-8114",
  "cveTags": [],
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          "options": [
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          "version": "2.0.3",
          "timestamp": "2025-07-24T15:32:04.537761Z"
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          "product": "Red Hat Enterprise Linux 7",
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  "published": "2025-07-24T15:15:27.117",
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      "url": "https://access.redhat.com/errata/RHSA-2026:18683",
      "source": "secalert@redhat.com"
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    },
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      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
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      "source": "secalert@redhat.com"
    },
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      "url": "https://git.libssh.org/projects/libssh.git/commit/?id=53ac23ded4cb2c5463f6c4cd1525331bd578812d",
      "source": "secalert@redhat.com"
    },
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      "url": "https://git.libssh.org/projects/libssh.git/commit/?id=65f363c9",
      "source": "secalert@redhat.com"
    },
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      "url": "https://www.libssh.org/security/advisories/CVE-2025-8114.txt",
      "source": "secalert@redhat.com"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Secondary",
      "source": "secalert@redhat.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
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    {
      "lang": "en",
      "value": "A flaw was found in libssh, a library that implements the SSH protocol. When calculating the session ID during the key exchange (KEX) process, an allocation failure in cryptographic functions may lead to a NULL pointer dereference. This issue can cause the client or server to crash."
    },
    {
      "lang": "es",
      "value": "Se encontró una falla en libssh, una librería que implementa el protocolo SSH. Al calcular el ID de sesión durante el proceso de intercambio de claves (KEX), un fallo de asignación en las funciones criptográficas puede provocar una desreferencia de puntero nulo. Este problema puede provocar el bloqueo del cliente o del servidor."
    }
  ],
  "lastModified": "2026-09-01T12:17:32.727",
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          "cpeMatch": [
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