An issue was discovered in GNU libiberty, as distributed in GNU Binutils 2.32. simple_object_elf_match in simple-object-elf.c does not check for a zero shstrndx value, leading to an integer overflow and resultant heap-based buffer overflow.
https://usn.ubuntu.com/4336-1/
https://usn.ubuntu.com/4326-1/
https://security.gentoo.org/glsa/202007-39
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00004.html
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00078.html
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00058.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00057.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00056.html