{"id":"CVE-2023-21640","aliases":["EUVD-2023-25807","GHSA-f8q5-x346-4rf5"],"status":"published","title":"Buffer Copy Without Checking Size of Input in Linux","description":"Memory corruption in Linux when the file upload API is called with parameters having large buffer.","severity":{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00115,"percentile":0.01543,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120","CWE-787"],"published":"2023-07-04T04:46:36Z","modified":"2026-06-17T05:33:24Z","products":[{"vendor":"qualcomm","product":"fastconnect_6900_firmware"},{"vendor":"qualcomm","product":"fastconnect_7800_firmware"},{"vendor":"qualcomm","product":"snapdragon"},{"vendor":"qualcomm","product":"snapdragon_8_gen_1_firmware"},{"vendor":"qualcomm","product":"wcd9380_firmware"},{"vendor":"qualcomm","product":"wsa8830_firmware"},{"vendor":"qualcomm","product":"wsa8835_firmware"},{"vendor":"qualcomm, inc.","product":"snapdragon"}],"references":[{"url":"https://www.qualcomm.com/company/product-security/bulletins/july-2023-bulletin","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-21640"},{"url":"https://github.com/advisories/GHSA-f8q5-x346-4rf5"}],"sources":{"cve":[{"id":"CVE-2023-21640","title":"Buffer Copy Without Checking Size of Input in Linux","description":"Memory corruption in Linux when the file upload API is called with parameters having large buffer.","status":"published","published":"2023-07-04T04:46:36.134Z","modified":"2024-11-26T18:56:23.022Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:35:20.368244Z"}],"euvd":[{"id":"EUVD-2023-25807","description":"Memory corruption in Linux when the file upload API is called with parameters having large buffer.","status":"published","published":"2023-07-04T04:46:36Z","modified":"2024-11-26T18:56:23Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-03T00:04:46.610778Z"}],"ghsa":[{"id":"GHSA-f8q5-x346-4rf5","title":"Memory corruption in Linux when the file upload API is called with parameters having large buffer.","description":"Memory corruption in Linux when the file upload API is called with parameters having large buffer.","status":"published","published":"2023-07-04T06:30:15Z","modified":"2024-04-12T18:31:28Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-120","CWE-787"],"updated_at":"2026-11-02T14:57:11.850806Z"}],"nvd":[{"id":"CVE-2023-21640","description":"Memory corruption in Linux when the file upload API is called with parameters having large buffer.","status":"published","published":"2023-07-04T05:15:10.45Z","modified":"2026-06-17T05:33:24.633Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-120","CWE-787"],"updated_at":"2026-11-02T14:08:14.715708Z"}]}}