CVE-2020-28163

libdwarf: NULL pointer dereference due to corrupt line table header

Published Apr 15, 2023 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2020-20649 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.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Feb 6, 2025, 4:20 PM
Reserved
Nov 2, 2020, 12:00 AM
Status
Modified
Published
Apr 16, 2023, 12:15 AM
Modified
Jun 17, 2026, 3:10 AM
Severity
Moderate
Public date
Nov 23, 2021, 12:00 AM