CVE-2026-56790

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...

CVE-2026-56790

CANBoat (up to version 6.22) contains an off-by-one global buffer overflow in analyzer/pgn.c:searchForPgn() that can crash the application when processing a crafted NMEA-2000 message with an out-of-range PGN sent over CAN bus or N2K-over-IP. The root cause is an out-of-bounds array access. The is...