CVE-2026-37537
| Summary |
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.
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| Publication Date |
May 2, 2026, 2:16 a.m. |
| Registration Date |
May 2, 2026, 4:07 a.m. |
| Last Update |
May 2, 2026, 2:16 a.m. |
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CVSS3.1 : HIGH
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| スコア |
8.1
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| Vector |
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H |
| 攻撃元区分(AV) |
隣接 |
| 攻撃条件の複雑さ(AC) |
低 |
| 攻撃に必要な特権レベル(PR) |
不要 |
| 利用者の関与(UI) |
不要 |
| 影響の想定範囲(S) |
変更なし |
| 機密性への影響(C) |
なし |
| 完全性への影響(I) |
高 |
| 可用性への影響(A) |
高 |
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