Medium severity6.5NVD Advisory· Published Apr 16, 2023· Updated Jun 17, 2026

CVE-2020-28163

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Libdwarf Project/Libdwarf2 versions
cpe:2.3:a:libdwarf_project:libdwarf:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:libdwarf_project:libdwarf:*:*:*:*:*:*:*:*range: <2020-12-01
- (no CPE)range: <20201201
libdwarf/libdwarfdescription
Davea42/Libdwarf Codellm-fuzzy

Patches

Vulnerability mechanics

References

github.com/davea42/libdwarf-code/commit/faf99408e3f9f706fc3809dd400e831f989778d3nvdPatch
bugzilla.redhat.com/show_bug.cginvdIssue TrackingPermissions RequiredThird Party Advisory
www.prevanders.net/dwarfbug.htmlnvdThird Party Advisory
web.archive.org/web/20190601140703/https://sourceforge.net/projects/libdwarf/nvdProduct

News mentions

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cvss	0.423
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000