gpsd: gpsd: Arbitrary code execution via heap-based out-of-bounds write in NMEA2000 packet handling

A flaw was found in gpsd. The hnd129540 function, responsible for handling NMEA2000 PGN 129540 GNSS Satellites in View packets, fails to properly validate the user-supplied satellite count. A remote attacker can exploit this by sending a specially crafted packet with an excessive satellite count,...