{"id":"CVE-2026-20479","aliases":["A-518610755","ASB-A-518610755","EUVD-2026-52068","GHSA-6g35-p5gh-6qh4","M-MOLY00741071"],"status":"published","title":"In Modem, there is a possible out of bounds read due to a missing bounds check. This could lead...","description":"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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00706,"percentile":0.53831,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125"],"published":"2026-08-03T02:05:38Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":":unknown:","fixed_in":["SoCVersion:2026-09-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":":unknown:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"SoCVersion:0"},{"fixed":"SoCVersion:2026-09-05"}]}],"versions":["SoCVersion"]}],"products":[{"vendor":"mediatek","product":"mt2735_firmware"},{"vendor":"mediatek","product":"mt6833_firmware"},{"vendor":"mediatek","product":"mt6853_firmware"},{"vendor":"mediatek","product":"mt6855_firmware"},{"vendor":"mediatek","product":"mt6873_firmware"},{"vendor":"mediatek","product":"mt6875_firmware"},{"vendor":"mediatek","product":"mt6877_firmware"},{"vendor":"mediatek","product":"mt6880_firmware"},{"vendor":"mediatek","product":"mt6883_firmware"},{"vendor":"mediatek","product":"mt6885_firmware"},{"vendor":"mediatek","product":"mt6889_firmware"},{"vendor":"mediatek","product":"mt6890_firmware"},{"vendor":"mediatek","product":"mt6891_firmware"},{"vendor":"mediatek","product":"mt6893_firmware"},{"vendor":"mediatek","product":"mt8675_firmware"},{"vendor":"mediatek","product":"mt8771_firmware"},{"vendor":"mediatek","product":"mt8791_firmware"},{"vendor":"mediatek","product":"mt8791t_firmware"},{"vendor":"mediatek","product":"mt8797_firmware"},{"vendor":"mediatek, inc.","product":"mediatek chipset"}],"references":[{"url":"https://www.mediatek.com/product-security-bulletin/August-2026","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20479"},{"url":"https://github.com/advisories/GHSA-6g35-p5gh-6qh4"},{"url":"https://source.android.com/security/bulletin/2026-09-01","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-20479","description":"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.","status":"published","published":"2026-08-03T02:05:38.909Z","modified":"2026-08-03T18:59:07.574Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T13:35:33.380441Z"}],"euvd":[{"id":"EUVD-2026-52068","description":"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.","status":"published","published":"2026-08-03T02:05:38Z","modified":"2026-08-03T18:59:07Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T18:02:23.68186Z"}],"ghsa":[{"id":"GHSA-6g35-p5gh-6qh4","title":"In Modem, there is a possible out of bounds read due to a missing bounds check. This could lead...","description":"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.","status":"published","published":"2026-08-03T03:31:57Z","modified":"2026-08-03T21:31:34Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:10:02.88062Z"}],"nvd":[{"id":"CVE-2026-20479","description":"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.","status":"published","published":"2026-08-03T03:16:42.98Z","modified":"2026-10-23T22:10:00.16Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:12:34.290716Z"}],"osv":[{"id":"ASB-A-518610755","status":"published","published":"2026-09-01T00:00:00Z","modified":"2026-11-10T17:02:23.040266809Z","updated_at":"2026-11-09T17:05:18.698671Z"}]}}