cve-2026-18772

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "rlottie",
          "vendor": "Samsung Open Source",
          "versions": [
            {
              "status": "unaffected",
              "version": "f487eff2f8086b84ae1c7faa0418abec909e874b"
            }
          ]
        }
      ],
      "source": "PSIRT@samsung.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:samsung:rlottie:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "839F9D6A-5E2B-4FDF-9F6F-CB9D3ED281F0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improperly controlled sequential memory allocation vulnerability in Samsung Open Source rlottie allows Exponential Data Expansion."
    }
  ],
  "id": "CVE-2026-18772",
  "lastModified": "2026-09-23T15:59:32.730",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "PSIRT@samsung.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-18772",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-08-04T13:16:08.111242Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-08-04T10:19:32.923",
  "references": [
    {
      "source": "PSIRT@samsung.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/Samsung/rlottie/pull/596"
    }
  ],
  "sourceIdentifier": "PSIRT@samsung.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-1325"
        }
      ],
      "source": "PSIRT@samsung.com",
      "type": "Secondary"
    }
  ]
}