finish_stab in stabs.c in GNU Binutils 2.30 allows attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact, as demonstrated by an out-of-bounds write of 8 bytes. This can occur during execution of objdump.
https://usn.ubuntu.com/4336-1/
https://sourceware.org/bugzilla/show_bug.cgi?id=23057
https://security.gentoo.org/glsa/201908-01
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85454
https://bugs.launchpad.net/ubuntu/+source/binutils/+bug/1763102