{"id":"CVE-2026-20563","aliases":["A-557051700","ASB-A-557051700","EUVD-2026-115028","GHSA-w4x9-4mfp-qpx8","M-MOLY01777997"],"status":"published","title":"In Modem, there is a possible out of bounds write due to an incorrect bounds check. This could...","description":"In Modem, there is a possible out of bounds write due to an incorrect 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: MOLY01777997; Issue ID: MSV-8905.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.00216,"percentile":0.12083,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2026-11-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":":unknown:","fixed_in":["SoCVersion:2026-11-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":":unknown:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"SoCVersion:0"},{"fixed":"SoCVersion:2026-11-05"}]}],"versions":["SoCVersion"]}],"products":[{"vendor":"mediatek, inc.","product":"mediatek chipset"}],"references":[{"url":"https://www.mediatek.com/product-security-bulletin/November-2026"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20563"},{"url":"https://github.com/advisories/GHSA-w4x9-4mfp-qpx8"},{"url":"https://source.android.com/security/bulletin/2026-11-01","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-20563","description":"In Modem, there is a possible out of bounds write due to an incorrect 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: MOLY01777997; Issue ID: MSV-8905.","status":"published","published":"2026-11-02T02:33:29.062Z","modified":"2026-11-02T15:00:47.522Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T18:00:08.034842Z"}],"euvd":[{"id":"EUVD-2026-115028","description":"In Modem, there is a possible out of bounds write due to an incorrect 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: MOLY01777997; Issue ID: MSV-8905.","status":"published","published":"2026-11-02T02:33:29Z","modified":"2026-11-02T15:00:47Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T16:58:44.835214Z"}],"ghsa":[{"id":"GHSA-w4x9-4mfp-qpx8","title":"In Modem, there is a possible out of bounds write due to an incorrect bounds check. This could...","description":"In Modem, there is a possible out of bounds write due to an incorrect 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: MOLY01777997; Issue ID: MSV-8905.","status":"published","published":"2026-11-02T03:30:36Z","modified":"2026-11-02T15:31:31Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T18:00:14.917028Z"}],"nvd":[{"id":"CVE-2026-20563","description":"In Modem, there is a possible out of bounds write due to an incorrect 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: MOLY01777997; Issue ID: MSV-8905.","status":"published","published":"2026-11-02T03:17:33.583Z","modified":"2026-11-02T16:18:52.027Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T20:51:44.219211Z"}],"osv":[{"id":"ASB-A-557051700","status":"published","published":"2026-11-01T00:00:00Z","modified":"2026-11-05T16:32:28.703711716Z","updated_at":"2026-11-05T17:55:17.023074Z"}]}}