{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-20479", "assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374", "state": "PUBLISHED", "assignerShortName": "MediaTek", "dateReserved": "2025-11-03T01:30:59.021Z", "datePublished": "2026-08-03T02:05:38.909Z", "dateUpdated": "2026-08-03T02:05:38.909Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374", "shortName": "MediaTek", "dateUpdated": "2026-08-03T02:05:38.909Z"}, "descriptions": [{"lang": "en", "value": "In Modem, there is a possible out of bounds read due to a missing bounds check. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY00741071; Issue ID: MSV-7620."}], "affected": [{"vendor": "MediaTek, Inc.", "product": "MediaTek chipset", "defaultStatus": "unaffected", "versions": [{"version": "MT2735", "status": "affected"}, {"version": "MT6833", "status": "affected"}, {"version": "MT6853", "status": "affected"}, {"version": "MT6855", "status": "affected"}, {"version": "MT6873", "status": "affected"}, {"version": "MT6875", "status": "affected"}, {"version": "MT6877", "status": "affected"}, {"version": "MT6880", "status": "affected"}, {"version": "MT6883", "status": "affected"}, {"version": "MT6885", "status": "affected"}, {"version": "MT6889", "status": "affected"}, {"version": "MT6890", "status": "affected"}, {"version": "MT6891", "status": "affected"}, {"version": "MT6893", "status": "affected"}, {"version": "MT8675", "status": "affected"}, {"version": "MT8771", "status": "affected"}, {"version": "MT8791", "status": "affected"}, {"version": "MT8791T", "status": "affected"}, {"version": "MT8797", "status": "affected"}]}], "references": [{"url": "https://www.mediatek.com/product-security-bulletin/August-2026"}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "cweId": "CWE-125", "description": "CWE-125 Out-of-bounds Read"}]}], "x_generator": {"engine": "cvelib 1.8.0"}}}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT2735"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6833"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6853"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6855"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6873"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6875"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6877"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6880"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6883"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6885"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6889"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6890"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6891"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6893"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8675"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8771"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8791"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8791T"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8797"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "MediaTek chipset", "source": "cna", "vendor": "MediaTek, Inc."}, "product": "mediatek_chipset", "vendor": "mediatek,_inc."}], "created": "2026-08-03T03:45:05.371787+00:00", "updated": "2026-08-03T03:45:05.371822+00:00", "vendors": ["mediatek,_inc.", "mediatek,_inc.$PRODUCT$mediatek_chipset"]}