An issue was discovered in kosma minmea 0.3.0. The minmea_scan functions format specifier copies NMEA field data to a caller-provided buffer without a size parameter. Applications using minmea_scan on untrusted input are vulnerable to a stack buffer overflow.
https://github.com/kosma/minmea/blob/master/minmea.c#L231-L240
https://gist.github.com/dwilliams27/6d4d8077b970f35e1a921c897ce13852