dwarf_macro5.c in libdwarf before 20160923 allows remote attackers to cause a denial of service (NULL pointer dereference) via a debugging information entry using DWARF5 and without a DW_AT_name.
https://www.prevanders.net/dwarfbug.html
https://euvd.enisa.europa.eu/vulnerability/EUVD-2016-5994