{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-21071", "assignerOrgId": "3af57064-a867-422c-b2ad-40307b65c458", "state": "PUBLISHED", "assignerShortName": "SamsungMobile", "dateReserved": "2025-12-11T01:33:35.824Z", "datePublished": "2026-08-10T07:41:58.147Z", "dateUpdated": "2026-08-10T17:44:11.088Z"}, "containers": {"cna": {"problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-20 Improper input validation"}]}], "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": "Improper input validation in MPEG4 codec in libsavsvc.so prior to SMR Aug-2026 Release 1 allows local attackers to write out-of-bounds memory."}], "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": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "subAvailabilityImpact": "LOW", "baseScore": 5.1, "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L", "baseSeverity": "MEDIUM"}}], "providerMetadata": {"orgId": "3af57064-a867-422c-b2ad-40307b65c458", "shortName": "SamsungMobile", "dateUpdated": "2026-08-10T07:41:58.147Z"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-20", "lang": "en", "description": "CWE-20 Improper Input Validation"}]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-10T17:43:50.969311Z", "id": "CVE-2026-21071", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-10T17:44:11.088Z"}}]}}

{}

{}

{}

{"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": "2026-08-10T09:30:03.556824+00:00", "title": "Local Out\u2011Of\u2011Bounds Write in MPEG4 Codec", "updated": "2026-08-10T09:30:03.776726+00:00", "vendors": ["samsung_mobile", "samsung_mobile$PRODUCT$samsung_mobile_devices"], "weaknesses": ["CWE-122", "CWE-20"]}