{"api_version":"1","generated_at":"2026-05-04T12:31:38+00:00","cve":"CVE-2026-20449","urls":{"html":"https://cve.report/CVE-2026-20449","api":"https://cve.report/api/cve/CVE-2026-20449.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-20449","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-20449"},"summary":{"title":"CVE-2026-20449","description":"In Modem, there is a possible system crash due to a heap buffer overflow. 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. 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MT6833","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT6835","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT6853","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT6855","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT6858","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT6873","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT6875","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT6877","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT6878","platforms":[]},{"source":"CNA","vendor":"MediaTek, 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MT8893","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"MediaTek chipset","vendor":"MediaTek, 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Modem, there is a possible system crash due to a heap buffer overflow. 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: MOLY01760138; Issue ID: MSV-6148."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-120","description":"CWE-120 Classic Buffer Overflow","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-05-04T05:41:54.581Z","orgId":"ee979b05-11f8-4f25-a7e0-a1fa9c190374","shortName":"MediaTek"},"references":[{"url":"https://corp.mediatek.com/product-security-bulletin/May-2026"}],"x_generator":{"engine":"cvelib 1.8.0"}}},"cveMetadata":{"assignerOrgId":"ee979b05-11f8-4f25-a7e0-a1fa9c190374","assignerShortName":"MediaTek","cveId":"CVE-2026-20449","datePublished":"2026-05-04T05:41:54.581Z","dateReserved":"2025-11-03T01:30:59.013Z","dateUpdated":"2026-05-04T05:41:54.581Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-04 07:15:59","lastModifiedDate":"2026-05-04 07:15:59","problem_types":["CWE-120","CWE-120 CWE-120 Classic Buffer Overflow"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"20449","Ordinal":"1","Title":"CVE-2026-20449","CVE":"CVE-2026-20449","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"20449","Ordinal":"1","NoteData":"In Modem, there is a possible system crash due to a heap buffer overflow. 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: MOLY01760138; Issue ID: MSV-6148.","Type":"Description","Title":"CVE-2026-20449"}]}}}