{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2026-23789", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-09-14T00:55:53.911Z", "dateReserved": "2026-01-16T00:00:00.000Z", "datePublished": "2026-09-14T00:00:00.000Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unknown", "product": "Exynos 850 firmware", "vendor": "Samsung", "versions": [{"lessThanOrEqual": "2025-12-23", "status": "affected", "version": "0", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in MFC in Samsung Mobile Processor and Wearable Processor Exynos 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 2600, 1680, W920, W930, and W1000. A double-free vulnerability in the Exynos MFC encoder driver (due to improper cleanup of dma_buf references during error handling) leads to kernel memory corruption and potential arbitrary code execution."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-415", "description": "CWE-415 Double Free", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-09-14T00:55:53.911Z"}, "references": [{"url": "https://semiconductor.samsung.com/support/quality-support/product-security-updates/"}, {"url": "https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2026-23789/"}], "x_generator": {"engine": "enrichogram 0.0.1"}, "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:samsung:exynos_850_firmware:*:*:*:*:*:*:*:*", "versionEndIncluding": "2025-12-23"}]}]}]}}, "dataVersion": "5.2"}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "Exynos 850 firmware", "vendor": "Samsung", "versions": [{"lessThanOrEqual": "2025-12-23", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in MFC in Samsung Mobile Processor and Wearable Processor Exynos 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 2600, 1680, W920, W930, and W1000. A double-free vulnerability in the Exynos MFC encoder driver (due to improper cleanup of dma_buf references during error handling) leads to kernel memory corruption and potential arbitrary code execution."}], "id": "CVE-2026-23789", "lastModified": "2026-09-14T02:17:13.397", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.1, "impactScore": 6.0, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-09-14T02:17:13.397", "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-2026-23789/"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-415"}], "source": "[email protected]", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,2025-12-23]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "inferred", "scores": [{"score": 100.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Exynos 850 firmware", "source": "cna", "vendor": "Samsung"}, "product": "exynos_850_firmware", "vendor": "samsung"}], "created": "2026-09-14T05:45:16.382880+00:00", "title": "Double\u2011Free in Exynos MFC Encoder Driver Enables Kernel Memory Corruption", "updated": "2026-09-14T12:00:14.017670+00:00", "vendors": ["samsung", "samsung$PRODUCT$exynos_850_firmware"]}