libdwarf: carefully corrupted line table can crash calling app

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.

libdwarf: double free in _dwarf_exec_frame_instr() in dwarf_frame.c

libdwarf 0.4.1 has a double free in _dwarf_exec_frame_instr in dwarf_frame.c.

libdwarf: heap buffer over-read in dwarf_global_formref_b() in dwarf_form.c

There is a heap-based buffer over-read in libdwarf 0.4.0. This issue is related to dwarf_global_formref_b.

libdwarf 0.4.0 has a heap-based buffer over-read in _dwarf_check_string_valid in dwarf_util.c.

libdwarf: division by zero in dwarf_elf_load_headers.c leading to DoS

dwarf_elf_load_headers.c in libdwarf before 2019-07-05 allows attackers to cause a denial of service (division by zero) via an ELF file with a zero-size section group (SHT_GROUP), as demonstrated by dwarfdump.

libdwarf: use-after-free when parsing a crafted ELF file

Use-after-free vulnerability in dwarfdump in libdwarf 20130126 through 20140805 might allow remote attackers to cause a denial of service (program crash) via a crafted ELF file.