CVE-2026-56790

CVE-2026-56790CVE-2026-56790

Description

CANBoat through 6.22, fixed in commit a5a22b7, contains an off-by-one global buffer overflow in the searchForPgn() function in analyzer/pgn.c that allows remote attackers to crash the application. Attackers can deliver a crafted NMEA-2000 message with an out-of-range PGN value over CAN bus or N2K-over-IP to trigger an out-of-bounds array access and denial of service.

Scoring

CVSS 7.3 ()
VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H
Last modified2026-06-25
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.