CVE-2026-56790 CANBoat - Off-by-One Global Buffer Overflow in searchForPgn()

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...

PT-2026-52553

Name of the Vulnerable Software and Affected Versions CANBoat versions prior to 6.23 Description An off-by-one global buffer overflow exists in the searchForPgn function within the analyzer/pgn.c file. A remote attacker can trigger an out-of-bounds array access and cause a denial of service,...