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CVE-2026-59844

Estado: ModificadaMedia (6.5)—

A flaw was found in libssh. A remote authenticated client can issue SSH_FXP_READ requests with an arbitrarily large length, causing a libssh SFTP server to allocate excessive memory and potentially exhaust it through repeated requests.

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 (3)

Libssh — LibsshRedhat — Enterprise LinuxRedhat — Hardened Images

CWE

Referencias

JSON original (NVD)

Mostrar
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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": "2026-07-21T13:11:22.542338Z"
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          "userInteraction": "NONE",
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          "confidentialityImpact": "NONE"
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          "vendor": "Red Hat",
          "product": "Red Hat Hardened Images",
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              "version": "0.12.1-4.hum1",
              "lessThan": "*",
              "versionType": "rpm"
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  "published": "2026-07-21T12:18:57.973",
  "references": [
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      "tags": [
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      "source": "secalert@redhat.com"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "secalert@redhat.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-789"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in libssh. A remote authenticated client can issue SSH_FXP_READ requests with an arbitrarily large length, causing a libssh SFTP server to allocate excessive memory and potentially exhaust it through repeated requests."
    }
  ],
  "lastModified": "2026-09-01T21:18:34.473",
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