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    2 vulnerabilities found for cstruct by OCaml

    CVE-2026-89087 (GCVE-0-2026-89087)

    Vulnerability from nvd – Published: 2026-09-10 19:55 – Updated: 2026-09-10 19:55
    VLAI
    Summary
    The cstruct package before 6.3.0 for OCaml mishandles indexes.
    Severity
    7.3 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
    CWE
    • CWE-573 - Improper Following of Specification by Caller
    Assigner
    References
    Impacted products
    Vendor Product Version
    OCaml cstruct Affected: 0 , < 6.3.0 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:opam/cstruct",
          "product": "cstruct",
          "vendor": "OCaml",
          "versions": [
            {
              "lessThan": "6.3.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The cstruct package before 6.3.0 for OCaml mishandles indexes."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-573",
              "description": "CWE-573 Improper Following of Specification by Caller",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-10T19:55:44.327Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://osv.dev/vulnerability/OSEC-2026-20"
        }
      ],
      "x_generator": {
        "engine": "CVE-Request-form 0.0.1"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2026-89087",
    "datePublished": "2026-09-10T19:55:44.327Z",
    "dateReserved": "2026-09-10T19:55:43.954Z",
    "dateUpdated": "2026-09-10T19:55:44.327Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

    CVE-2026-89087 (GCVE-0-2026-89087)

    Vulnerability from cvelistv5 – Published: 2026-09-10 19:55 – Updated: 2026-09-10 19:55
    VLAI
    Summary
    The cstruct package before 6.3.0 for OCaml mishandles indexes.
    Severity
    7.3 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
    CWE
    • CWE-573 - Improper Following of Specification by Caller
    Assigner
    References
    Impacted products
    Vendor Product Version
    OCaml cstruct Affected: 0 , < 6.3.0 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:opam/cstruct",
          "product": "cstruct",
          "vendor": "OCaml",
          "versions": [
            {
              "lessThan": "6.3.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The cstruct package before 6.3.0 for OCaml mishandles indexes."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-573",
              "description": "CWE-573 Improper Following of Specification by Caller",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-10T19:55:44.327Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://osv.dev/vulnerability/OSEC-2026-20"
        }
      ],
      "x_generator": {
        "engine": "CVE-Request-form 0.0.1"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2026-89087",
    "datePublished": "2026-09-10T19:55:44.327Z",
    "dateReserved": "2026-09-10T19:55:43.954Z",
    "dateUpdated": "2026-09-10T19:55:44.327Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}