CVE-2026-37537: Integer Overflow or Wraparound

collin80/Open-SAE-J1939 thru commit 744024d4306bc387857dfce439558336806acb06 2023-03-08 contains an integer underflow leading to out-of-bounds write in Transport Protocol Data Transfer handling. At line 23: uint8t index = data0 - 1. When data0 sequence number from CAN frame is 0, index underflows...