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A double-free vulnerability was found in libdwarf. In a multiply-corrupted DWARF object, libdwarf may try to dealloc(free) an allocation twice, potentially causing unpredictable and various results.

libdwarf before 20201201 allows a dwarf_print_lines.c NULL pointer dereference and application crash via a DWARF5 line-table header that has an invalid FORM for a pathname.

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 0.4.1 has a double free in _dwarf_exec_frame_instr in dwarf_frame.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.

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.

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.

The _dwarf_decode_s_leb128_chk function in dwarf_leb.c in libdwarf through 2017-06-28 allows remote attackers to cause a denial of service (Segmentation fault) via a crafted file.

dwarf_leb.c in libdwarf allows attackers to cause a denial of service (SIGSEGV).