CVE-2026-37537

HIGH SEVERITY

CVSS Score & Metrics

Base Score

8.1 / 10

Vector String

                                        CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H                                    

Vulnerability Description

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: uint8_t index = data[0] - 1. When data[0] (sequence number from CAN frame) is 0, index underflows to 255. Subsequent write at tp_dt->data[255*7 + i-1] reaches offset 1791, exceeding the MAX_TP_DT buffer (1785 bytes) by 6 bytes.

Vulnerability Details

Published Date

May 01, 2026

Last Modified

May 01, 2026

Source

NVD

External References

https://gist.github.com/sgInnora/f4ac66faeefe07a653ceeb3f58cdc381
https://github.com/DanielMartensson/Open-SAE-J1939
https://github.com/collin80/Open-SAE-J1939

CVE-2026-37537

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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