CVE-2026-18772

{"id": "CVE-2026-18772", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-18772", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-04T13:16:08.111242Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "PSIRT@samsung.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "affected": [{"source": "PSIRT@samsung.com", "affectedData": [{"vendor": "Samsung Open Source", "product": "rlottie", "versions": [{"status": "unaffected", "version": "f487eff2f8086b84ae1c7faa0418abec909e874b"}], "defaultStatus": "unaffected"}]}], "published": "2026-08-04T10:19:32.923", "references": [{"url": "https://github.com/Samsung/rlottie/pull/596", "source": "PSIRT@samsung.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "PSIRT@samsung.com", "description": [{"lang": "en", "value": "CWE-1325"}]}], "descriptions": [{"lang": "en", "value": "Improperly controlled sequential memory allocation vulnerability in Samsung Open Source rlottie allows Exponential Data Expansion."}], "lastModified": "2026-08-18T15:04:46.610", "sourceIdentifier": "PSIRT@samsung.com"}