An issue was discovered in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.31. There is a NULL pointer dereference in work_stuff_copy_to_from when called from iterate_demangle_function.Referenceshttps://gcc.gnu.org/bugzilla/show_bug.cgi?id=87350https://usn.ubuntu.com/4326-1/https://usn.ubuntu.com/4336-1/