{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2026-33957", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-09-14T01:40:18.634Z", "dateReserved": "2026-03-24T00:00:00.000Z", "datePublished": "2026-09-14T00:00:00.000Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unknown", "product": "Exynos 1580 firmware", "vendor": "Samsung", "versions": [{"lessThanOrEqual": "2026-01-07", "status": "affected", "version": "0", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in CustOS Driver in Samsung Mobile Processor Exynos 1580. Requesting oversized shared memory from the custos_iwc device enables out-of-bounds read and write, potentially leading to memory corruption or information leakage."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 4.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:L", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-787", "description": "CWE-787 Out-of-bounds Write", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-09-14T01:40:18.634Z"}, "references": [{"url": "https://semiconductor.samsung.com/support/quality-support/product-security-updates/"}, {"url": "https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2026-33957/"}], "x_generator": {"engine": "enrichogram 0.0.1"}, "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:samsung:exynos_1580_firmware:*:*:*:*:*:*:*:*", "versionEndIncluding": "2026-01-07"}]}]}]}}, "dataVersion": "5.2"}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "Exynos 1580 firmware", "vendor": "Samsung", "versions": [{"lessThanOrEqual": "2026-01-07", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in CustOS Driver in Samsung Mobile Processor Exynos 1580. Requesting oversized shared memory from the custos_iwc device enables out-of-bounds read and write, potentially leading to memory corruption or information leakage."}], "id": "CVE-2026-33957", "lastModified": "2026-09-14T02:17:14.390", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 4.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 1.1, "impactScore": 2.7, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-09-14T02:17:14.390", "references": [{"source": "[email protected]", "url": "https://semiconductor.samsung.com/support/quality-support/product-security-updates/"}, {"source": "[email protected]", "url": "https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2026-33957/"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "[email protected]", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,2026-01-07]"}}], "enrichment": {"confidence": 90.0, "confidence_source": "inferred", "scores": [{"score": 90.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Exynos 1580 firmware", "source": "cna", "vendor": "Samsung"}, "product": "exynos_1580_firmware", "vendor": "samsung"}], "created": "2026-09-14T02:30:04.915187+00:00", "title": "Out\u2011of\u2011Bounds Read/Write via Oversized Shared Memory Request in CustOS Driver", "updated": "2026-09-14T12:00:14.013760+00:00", "vendors": ["samsung", "samsung$PRODUCT$exynos_1580_firmware"]}