CVE-2026-18772

Full vulnerability record from the local CVENow database.

Description

Improperly controlled sequential memory allocation vulnerability in Samsung Open Source rlottie allows Exponential Data Expansion.

Severity

MEDIUM

CVSS score

6.5 (v3.1)

Vulnerability status

Analyzed

Source identifier

[email protected]

Published

2026-08-04 10:19:32.923000

Last modified

2026-10-23 23:10:00.157000

View original CVE JSON

{
  "id": "CVE-2026-18772",
  "sourceIdentifier": "[email protected]",
  "published": "2026-08-04T10:19:32.923",
  "lastModified": "2026-10-23T23:10:00.157",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improperly controlled sequential memory allocation vulnerability in Samsung Open Source rlottie allows Exponential Data Expansion."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de validación de entrada inadecuada en Samsung Open Source rlottie permite Cargas útiles de datos serializados sobredimensionadas."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Samsung Open Source",
          "product": "rlottie",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "f487eff2f8086b84ae1c7faa0418abec909e874b",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-08-04T13:16:08.111242Z",
          "id": "CVE-2026-18772",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1325"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:samsung:rlottie:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "839F9D6A-5E2B-4FDF-9F6F-CB9D3ED281F0"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/Samsung/rlottie/pull/596",
      "source": "[email protected]",
      "tags": [
        "Patch"
      ]
    }
  ]
}