The score_opcodes function in opcodes/score7-dis.c in GNU Binutils 2.28 allows remote attackers to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact via a crafted binary file, as demonstrated by mishandling of this file during "objdump -D" execution.
https://www.exploit-db.com/exploits/42203/
https://sourceware.org/bugzilla/show_bug.cgi?id=21576