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    CVE-2020-27545

    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.

    Published:Nov 22, 2021
    Last Modified:Feb 6, 2025
    EPS:Apr 15, 2023
    EPSS Score:0.00057
    CVSS Score:6.5

    Affected Products

    Vendor
    Libdwarf Project
    Product
    Libdwarf

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

    CVE-2024-2002 (CVSS 7.5) — A double-free vulnerability was found in libdwarf. In a multiply-corrupted DWARF object, libdwarf may try to d…
    CVE-2022-39170 (CVSS 8.8) — libdwarf 0.4.1 has a double free in _dwarf_exec_frame_instr in dwarf_frame.c.…
    CVE-2022-34299 (CVSS 8.1) — There is a heap-based buffer over-read in libdwarf 0.4.0. This issue is related to dwarf_global_formref_b.…
    CVE-2022-32200 (CVSS 7.8) — libdwarf 0.4.0 has a heap-based buffer over-read in _dwarf_check_string_valid in dwarf_util.c.…
    CVE-2020-28163 (CVSS 6.5) — libdwarf before 20201201 allows a dwarf_print_lines.c NULL pointer dereference and application crash via a DWA…
    CVE-2019-14249 (CVSS 6.5) — dwarf_elf_load_headers.c in libdwarf before 2019-07-05 allows attackers to cause a denial of service (division…
    CVE-2017-9998 (CVSS 6.5) — The _dwarf_decode_s_leb128_chk function in dwarf_leb.c in libdwarf through 2017-06-28 allows remote attackers …
    CVE-2017-9055 (CVSS 9.8) — An issue, also known as DW201703-001, was discovered in libdwarf 2017-03-21. In dwarf_formsdata() a few data t…
    CVE-2017-9054 (CVSS 9.8) — An issue, also known as DW201703-002, was discovered in libdwarf 2017-03-21. In _dwarf_decode_s_leb128_chk() a…
    CVE-2017-9052 (CVSS 9.8) — An issue, also known as DW201703-006, was discovered in libdwarf 2017-03-21. A heap-based buffer over-read in …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High