{"id":"CVE-2026-37534","aliases":["EUVD-2026-26687","GHSA-mf4w-cwh4-g24v"],"status":"published","title":"Integer underflow vulnerability in Open-SAE-J1939 thru commit...","description":"Integer underflow vulnerability in Open-SAE-J1939 thru commit b6caf884df46435e539b1ecbf92b6c29b345bdfe (2025-11-30) in SAE_J1939_Read_Transport_Protocol_Data_Transfer,allows attackers to write to arbitrary memory via crafted sequence number from the CAN frame.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00416,"percentile":0.36336,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-191"],"published":"2026-05-01T00:00:00Z","modified":"2026-06-17T10:41:34Z","references":[{"url":"https://github.com/DanielMartensson/Open-SAE-J1939"},{"url":"https://gist.github.com/sgInnora/f4ac66faeefe07a653ceeb3f58cdc381"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-37534"},{"url":"https://github.com/advisories/GHSA-mf4w-cwh4-g24v"}],"sources":{"cve":[{"id":"CVE-2026-37534","description":"Integer underflow vulnerability in Open-SAE-J1939 thru commit b6caf884df46435e539b1ecbf92b6c29b345bdfe (2025-11-30) in SAE_J1939_Read_Transport_Protocol_Data_Transfer,allows attackers to write to arbitrary memory via crafted sequence number from the CAN frame.","status":"published","published":"2026-05-01T00:00:00Z","modified":"2026-05-01T19:06:00.671Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-191"],"updated_at":"2026-11-02T13:39:16.730222Z"}],"euvd":[{"id":"EUVD-2026-26687","description":"Integer underflow vulnerability in Open-SAE-J1939 thru commit b6caf884df46435e539b1ecbf92b6c29b345bdfe (2025-11-30) in SAE_J1939_Read_Transport_Protocol_Data_Transfer,allows attackers to write to arbitrary memory via crafted sequence number from the CAN frame.","status":"published","published":"2026-05-01T00:00:00Z","modified":"2026-05-01T19:06:00Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T19:05:18.340967Z"}],"ghsa":[{"id":"GHSA-mf4w-cwh4-g24v","title":"Integer underflow vulnerability in Open-SAE-J1939 thru commit...","description":"Integer underflow vulnerability in Open-SAE-J1939 thru commit b6caf884df46435e539b1ecbf92b6c29b345bdfe (2025-11-30) in SAE_J1939_Read_Transport_Protocol_Data_Transfer,allows attackers to write to arbitrary memory via crafted sequence number from the CAN frame.","status":"published","published":"2026-05-01T18:31:24Z","modified":"2026-05-01T21:32:27Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-191"],"updated_at":"2026-11-02T15:07:53.39389Z"}],"nvd":[{"id":"CVE-2026-37534","description":"Integer underflow vulnerability in Open-SAE-J1939 thru commit b6caf884df46435e539b1ecbf92b6c29b345bdfe (2025-11-30) in SAE_J1939_Read_Transport_Protocol_Data_Transfer,allows attackers to write to arbitrary memory via crafted sequence number from the CAN frame.","status":"published","published":"2026-05-01T17:16:23.073Z","modified":"2026-06-17T10:41:34.303Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-191"],"updated_at":"2026-11-02T14:12:17.022502Z"}]}}