CVE-2026-103672High· 7.1▾ TwilightThe 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.
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 39.1 · likelihood 0 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
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.
peak-system_device_driver_setup <= 5.1.2.1151pcan_windows_can_device_drivers <= 5.1.2HMS Networks AB has addressed the issue in version 5.1.4 and recommends that users upgrade to the newest available version. Users can find software updates for PEAK-System PCAN on the software download page https://www.peak-system.com/support/downloads/software/ .
For more information see the associated HMS security advisory https://www.hms-networks.com/cybersecurity .
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-109576Medium· 5.5HMS Networks PEAK-System PCAN Windows drivers Out-of-bounds Write
CVE-2026-101103Medium· 5.5HMS Networks PEAK-System PCAN Windows drivers Classic Buffer Overflow
CVE-2026-105960Medium· 5.5HMS Networks PEAK-System PCAN Windows drivers Improper Handling of Length Parameter Inconsistency
CVE-2026-110322Medium· 5.5HMS Networks PEAK-System PCAN Windows drivers Untrusted Pointer Dereference
CVE-2023-2008High· 8.2A flaw was found in the Linux kernel's udmabuf device driver, within a fault handler
CVE-2026-92449Medium· 6.8Binary resource loader: unbounded map_id from a theme file causes a heap out-of-bounds write in the GUIX-allocated arena