CVE-2026-37537
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | n/a |
| Product | n/a |
| Published | May 1, 2026 |
| Last Updated | May 1, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AC:L/AV:A/A:H/C:N/I:H/PR:N/S:U/UI:N Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High
Affected Versions
n/a / n/a
n/a