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CVE-2019-1010299

Status: ModifiedMedium (5.3)—

The Rust Programming Language Standard Library 1.18.0 and later is affected by: CWE-200: Information Exposure. The impact is: Contents of uninitialized memory could be printed to string or to log file. The component is: Debug trait implementation for std::collections::vec_deque::Iter. The attack vector is: The program needs to invoke debug printing for iterator over an empty VecDeque. The fixed version is: 1.30.0, nightly versions after commit b85e4cc8fadaabd41da5b9645c08c68b8f89908d.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Rust-lang — Rust

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2019-1010299",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "josh@bress.net",
      "affectedData": [
        {
          "vendor": "The Rust Programming Language",
          "product": "Standard Library",
          "versions": [
            {
              "status": "affected",
              "version": "1.18.0 and later [fixed: 1.30.0, nightly versions after commit b85e4cc8fadaabd41da5b9645c08c68b8f89908d]"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-07-15T18:15:11.727",
  "references": [
    {
      "url": "https://github.com/rust-lang/rust/issues/53566",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "source": "josh@bress.net"
    },
    {
      "url": "https://github.com/rust-lang/rust/pull/53571/commits/b85e4cc8fadaabd41da5b9645c08c68b8f89908d",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "josh@bress.net"
    },
    {
      "url": "https://github.com/rust-lang/rust/issues/53566",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/rust-lang/rust/pull/53571/commits/b85e4cc8fadaabd41da5b9645c08c68b8f89908d",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "josh@bress.net",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-908"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Rust Programming Language Standard Library 1.18.0 and later is affected by: CWE-200: Information Exposure. The impact is: Contents of uninitialized memory could be printed to string or to log file. The component is: Debug trait implementation for std::collections::vec_deque::Iter. The attack vector is: The program needs to invoke debug printing for iterator over an empty VecDeque. The fixed version is: 1.30.0, nightly versions after commit b85e4cc8fadaabd41da5b9645c08c68b8f89908d."
    },
    {
      "lang": "es",
      "value": "La Rust Programming Language Standard Library versión 1.18.0 y posteriores, está afectada por: CWE-200: Exposición de Información. El impacto es: El contenido de la memoria no inicializada puede ser impreso en cadena o en el archivo de registro. El componente es: Implementación del rasgo de depuración para la función std::collections::vec_deque::Iter. El vector de ataque es: El programa necesita invocar la impresión de depuración para el iterador sobre un VecDeque vacío. La versión corregida es: 1.30.0, versiones nocturnas después del commit b85e4cc8fadaabd41da5b9645c08c68b8f89908d."
    }
  ],
  "lastModified": "2026-06-17T02:09:57.320",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:rust-lang:rust:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7121FBB2-4A3E-4A92-9040-CC9EF86D5257",
              "versionEndExcluding": "1.30.0",
              "versionStartIncluding": "1.18.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "josh@bress.net"
}