The PEAK-System PCAN parser indexes a length table using attacker-controlled DLC without enforcing DLC <= 0x0f, then copies attacker payload from record+0x1c into a fixed-size stack destination.
CVE-2026-103672
CVSS base score
7.1 (v3.1)
Severity
HIGH
Attack vector
Local
Weakness
CWE-129
Last modified
October 30, 2026
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H