A NULL pointer dereference (aka SEGV on unknown address 0x000000000000) was discovered in work_stuff_copy_to_from in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.30. This can occur during execution of objdump.
https://usn.ubuntu.com/4336-1/
https://usn.ubuntu.com/4326-1/
https://security.gentoo.org/glsa/201908-01