CVE-2026-18772

Description

Improper input validation vulnerability in Samsung Open Source rlottie allows Oversized Serialized Data Payloads.

Overview

State: PUBLISHED
Assigner (CNA): samsung.tv_appliance
CVSS severity: MEDIUM
CVSS score: 5.5 / 10
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Effective score: 5.5 / 10 MEDIUM source: CNA overview
CWE(s): CWE-20
Reserved: 2026-08-04
Published: 2026-08-04 08:22 UTC
Last updated: 2026-08-04 13:16 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/18xxx/CVE-2026-18772.json

Affected products (1)

Vendor	Product	Versions	Platforms
Samsung Open Source	rlottie	`f487eff2f8086b84ae1c7faa0418abec909e874b` (unaffected)	—

Vendor references (1)

References embedded in the original CVE record by the assigning CNA.

https://github.com/Samsung/rlottie/pull/596

Web references (0)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

No web references attached yet.

AI Forensic Analysis

Only Available for Registered Users. Sign in to view.

Raw JSON

The full cvelistV5 record. Download as CVE-2026-18772.json.

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-18772",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-04T13:16:08.111242Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-04T13:16:37.958Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "rlottie",
          "vendor": "Samsung Open Source",
          "versions": [
            {
              "status": "unaffected",
              "version": "f487eff2f8086b84ae1c7faa0418abec909e874b"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Improper input validation vulnerability in Samsung Open Source rlottie allows Oversized Serialized Data Payloads."
            }
          ],
          "value": "Improper input validation vulnerability in Samsung Open Source rlottie allows Oversized Serialized Data Payloads."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-231",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-231 Oversized Serialized Data Payloads"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-20",
              "description": "CWE-20 Improper input validation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-04T08:22:48.165Z",
        "orgId": "ca193ba2-0cff-4e34-b04e-1ea07103c6fe",
        "shortName": "samsung.tv_appliance"
      },
      "references": [
        {
          "url": "https://github.com/Samsung/rlottie/pull/596"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "x_generator": {
        "engine": "Vulnogram 1.0.4"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ca193ba2-0cff-4e34-b04e-1ea07103c6fe",
    "assignerShortName": "samsung.tv_appliance",
    "cveId": "CVE-2026-18772",
    "datePublished": "2026-08-04T08:22:48.165Z",
    "dateReserved": "2026-08-04T07:17:39.264Z",
    "dateUpdated": "2026-08-04T13:16:37.958Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}