The Binary File Descriptor (BFD) library (aka libbfd) has an aout_link_add_symbols function in bfd/aoutx.h that is vulnerable to a heap-based buffer over-read (off-by-one) because of an incomplete check for invalid string offsets while loading symbols, leading to a GNU linker (ld) program crash. Upstream bug: https://sourceware.org/bugzilla/show_bug.cgi?id=20909
Created mingw-binutils tracking bugs for this issue: Affects: epel-all [bug 1435309]