netCDF in GDAL 2.4.2 through 3.0.4 has a stack-based buffer overflow in nc4getatt (called from nc4getatttc and ncgetatttext) and in uffd_cleanup (called from netCDFDataset::~netCDFDataset and netCDFDataset::~netCDFDataset).
{ "urgency": "not yet assigned" }