Published Apr 16, 2023Sources checked Oct 29, 2026
6.5MEDIUMCVSS out of 10
What this means
Review the available evidence
CVE-2020-28163 and is rated Medium severity with a CVSS score of 6.5. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
What to do next
Remediation and response
Microsoft Security Response Center guidance
Vendor revision: Aug 17, 2026
CBL-Mariner Releases
Vendor-listed releases
0.9.0
0.9.0-1
CISA KEVNot listedBased on the latest collected catalog
EPSS0.8%Estimated 30-day exploitation probability
Ransomware useNot markedCISA KEV ransomware field
Threat actors0Source-linked actor relationships
Overview
What is CVE-2020-28163?
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.