{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-21068", "assignerOrgId": "3af57064-a867-422c-b2ad-40307b65c458", "state": "PUBLISHED", "assignerShortName": "SamsungMobile", "dateReserved": "2025-12-11T01:33:35.823Z", "datePublished": "2026-08-10T07:41:24.700Z", "dateUpdated": "2026-08-10T17:41:01.485Z"}, "containers": {"cna": {"problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-121: Stack-based Buffer Overflow"}]}], "affected": [{"vendor": "Samsung Mobile", "product": "Samsung Mobile Devices", "versions": [{"status": "unaffected", "version": "SMR Aug-2026 Release in Android 14, 15, 16", "versionType": "semver", "lessThan": "*"}], "defaultStatus": "affected"}], "descriptions": [{"lang": "en", "value": "Stack-based buffer overflow in libril_sem.so prior to SMR Aug-2026 Release 1 allows privileged local attackers to execute arbitrary code."}], "references": [{"url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=08"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.4, "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "baseSeverity": "HIGH"}}], "providerMetadata": {"orgId": "3af57064-a867-422c-b2ad-40307b65c458", "shortName": "SamsungMobile", "dateUpdated": "2026-08-10T07:41:24.700Z"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-121", "lang": "en", "description": "CWE-121 Stack-based Buffer Overflow"}]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-10T17:40:34.148638Z", "id": "CVE-2026-21068", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-10T17:41:01.485Z"}}]}}

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{"affected": [{"configurations": [{"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[SMR Aug-2026 Release in Android 14, 15, 16,*]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Samsung Mobile Devices", "source": "cna", "vendor": "Samsung Mobile"}, "product": "samsung_mobile_devices", "vendor": "samsung_mobile"}], "created": "2026-08-10T09:30:03.557142+00:00", "title": "Stack-Based Buffer Overflow in Samsung Mobile Device libril_sem.so", "updated": "2026-08-10T10:00:04.718649+00:00", "vendors": ["samsung_mobile", "samsung_mobile$PRODUCT$samsung_mobile_devices"], "weaknesses": ["CWE-121"]}