Heap buffer overflow vulnerability in binutils readelf before 2.40 via function display_debug_section in file readelf.c. An issue was discovered in Binutils addr2line before 2.39.3, function parse_module contains multiple out of bound reads which may cause a denial of service or other unspecified impacts. An issue was discovered Binutils objdump before 2.39.3 allows attackers to cause a denial of service or other unspecified impacts via function bfd_mach_o_get_synthetic_symtab in match-o.c. An issue was discovered Binutils objdump before 2.39.3 allows attackers to cause a denial of service or other unspecified impacts via function compare_symbols. GNU Binutils before 2.40 was discovered to contain an excessive memory consumption vulnerability via the function load_separate_debug_files at dwarf2.c. The attacker could supply a crafted ELF file and cause a DNS attack. GNU Binutils before 2.40 was discovered to contain an excessive memory consumption vulnerability via the function bfd_dwarf2_find_nearest_line_with_alt at dwarf2.c. The attacker could supply a crafted ELF file and cause a DNS attack. GNU Binutils before 2.40 was discovered to contain a memory leak vulnerability var the function find_abstract_instance in dwarf2.c