{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-59879",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-08T17:51:48.441737Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-08T19:41:12.330Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/immutable-js/immutable-js/security/advisories/GHSA-v56q-mh7h-f735"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "immutable-js",
          "vendor": "immutable-js",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 5.0.0-beta.1, \u003c 5.1.8"
            },
            {
              "status": "affected",
              "version": "\u003c 4.3.9"
            }
          ]
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Immutable.js provides many Persistent Immutable data structures. Prior to 4.3.9 and 5.1.8, List#set, List#setSize, List#setIn, List#updateIn, and the functional set, setIn, and updateIn mishandle an index or size in the range 2 ** 30 to 2 ** 31 in setListBounds in src/List.js, causing an empty List to enter an uncatchable infinite loop, a populated List to allocate without bound until process abort, or setSize to silently wrap large values. This issue is fixed in versions 4.3.9 and 5.1.8."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-190",
              "description": "CWE-190: Integer Overflow or Wraparound",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-400",
              "description": "CWE-400: Uncontrolled Resource Consumption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-835",
              "description": "CWE-835: Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-1284",
              "description": "CWE-1284: Improper Validation of Specified Quantity in Input",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-08T15:47:24.885Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/immutable-js/immutable-js/security/advisories/GHSA-v56q-mh7h-f735",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/immutable-js/immutable-js/security/advisories/GHSA-v56q-mh7h-f735"
        },
        {
          "name": "https://github.com/immutable-js/immutable-js/commit/a1a1ee412dcaa380ab325196283d06594ffe4b84",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/immutable-js/immutable-js/commit/a1a1ee412dcaa380ab325196283d06594ffe4b84"
        },
        {
          "name": "https://github.com/immutable-js/immutable-js/commit/f0bc997d8eb9886aff2236635aa210a95a04304a",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/immutable-js/immutable-js/commit/f0bc997d8eb9886aff2236635aa210a95a04304a"
        },
        {
          "name": "https://github.com/immutable-js/immutable-js/releases/tag/v4.3.9",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/immutable-js/immutable-js/releases/tag/v4.3.9"
        },
        {
          "name": "https://github.com/immutable-js/immutable-js/releases/tag/v5.1.8",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/immutable-js/immutable-js/releases/tag/v5.1.8"
        }
      ],
      "source": {
        "advisory": "GHSA-v56q-mh7h-f735",
        "discovery": "UNKNOWN"
      },
      "title": "Immutable.js `List` 32-bit trie overflow \u2192 unrecoverable DoS"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-59879",
    "datePublished": "2026-07-08T15:47:24.885Z",
    "dateReserved": "2026-07-07T16:40:07.982Z",
    "dateUpdated": "2026-07-08T19:41:12.330Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2"
}