libdwarf before 20201017 has a one-byte out-of-bounds read because of an invalid pointer dereference via an invalid line table in a crafted object.
https://www.prevanders.net/dwarfbug.html#DW202010-001
https://sourceforge.net/projects/libdwarf/
https://github.com/davea42/libdwarf-code/commit/95f634808c01f1c61bbec56ed2395af997f397ea
https://bugzilla.redhat.com/show_bug.cgi?id=2025694
http://web.archive.org/web/20190601140703/https://sourceforge.net/projects/libdwarf/