{"id":"CVE-2026-37536","aliases":["EUVD-2026-26689","GHSA-64w6-xcpc-2gc3"],"status":"published","title":"miaofng/uds-c commit e506334e270d77b20c0bc259ac6c7d8c9b702b7a (2016-10-05) contains a stack...","description":"miaofng/uds-c commit e506334e270d77b20c0bc259ac6c7d8c9b702b7a (2016-10-05) contains a stack buffer overflow in send_diagnostic_request. A 6-byte stack buffer (MAX_DIAGNOSTIC_PAYLOAD_SIZE=6) receives memcpy at offset 1+pid_length with payload_length bytes. MAX_UDS_REQUEST_PAYLOAD_LENGTH=7, so 1+2+7=10 exceeds buffer by 4 bytes. No bounds check on payload_length before memcpy.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:U/UI:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00254,"percentile":0.17092,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121"],"published":"2026-05-01T00:00:00Z","modified":"2026-06-17T10:41:34Z","references":[{"url":"https://github.com/miaofng/uds-c"},{"url":"https://github.com/openxc/uds-c"},{"url":"https://gist.github.com/sgInnora/f4ac66faeefe07a653ceeb3f58cdc381"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-37536"},{"url":"https://github.com/advisories/GHSA-64w6-xcpc-2gc3"}],"sources":{"cve":[{"id":"CVE-2026-37536","description":"miaofng/uds-c commit e506334e270d77b20c0bc259ac6c7d8c9b702b7a (2016-10-05) contains a stack buffer overflow in send_diagnostic_request. A 6-byte stack buffer (MAX_DIAGNOSTIC_PAYLOAD_SIZE=6) receives memcpy at offset 1+pid_length with payload_length bytes. MAX_UDS_REQUEST_PAYLOAD_LENGTH=7, so 1+2+7=10 exceeds buffer by 4 bytes. No bounds check on payload_length before memcpy.","status":"published","published":"2026-05-01T00:00:00Z","modified":"2026-05-01T19:45:05.053Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:U/UI:N","level":"high","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T13:39:16.730222Z"}],"euvd":[{"id":"EUVD-2026-26689","description":"miaofng/uds-c commit e506334e270d77b20c0bc259ac6c7d8c9b702b7a (2016-10-05) contains a stack buffer overflow in send_diagnostic_request. A 6-byte stack buffer (MAX_DIAGNOSTIC_PAYLOAD_SIZE=6) receives memcpy at offset 1+pid_length with payload_length bytes. MAX_UDS_REQUEST_PAYLOAD_LENGTH=7, so 1+2+7=10 exceeds buffer by 4 bytes. No bounds check on payload_length before memcpy.","status":"published","published":"2026-05-01T00:00:00Z","modified":"2026-05-01T19:45:05Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:U/UI:N","level":"high"}],"updated_at":"2026-11-02T19:05:18.340967Z"}],"ghsa":[{"id":"GHSA-64w6-xcpc-2gc3","title":"miaofng/uds-c commit e506334e270d77b20c0bc259ac6c7d8c9b702b7a (2016-10-05) contains a stack...","description":"miaofng/uds-c commit e506334e270d77b20c0bc259ac6c7d8c9b702b7a (2016-10-05) contains a stack buffer overflow in send_diagnostic_request. A 6-byte stack buffer (MAX_DIAGNOSTIC_PAYLOAD_SIZE=6) receives memcpy at offset 1+pid_length with payload_length bytes. MAX_UDS_REQUEST_PAYLOAD_LENGTH=7, so 1+2+7=10 exceeds buffer by 4 bytes. No bounds check on payload_length before memcpy.","status":"published","published":"2026-05-01T18:31:25Z","modified":"2026-05-01T21:31:21Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T15:07:52.84276Z"}],"nvd":[{"id":"CVE-2026-37536","description":"miaofng/uds-c commit e506334e270d77b20c0bc259ac6c7d8c9b702b7a (2016-10-05) contains a stack buffer overflow in send_diagnostic_request. A 6-byte stack buffer (MAX_DIAGNOSTIC_PAYLOAD_SIZE=6) receives memcpy at offset 1+pid_length with payload_length bytes. MAX_UDS_REQUEST_PAYLOAD_LENGTH=7, so 1+2+7=10 exceeds buffer by 4 bytes. No bounds check on payload_length before memcpy.","status":"published","published":"2026-05-01T17:16:23.373Z","modified":"2026-06-17T10:41:34.573Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:12:17.022502Z"}]}}