CVE-2020-28163
MEDIUM
6.5
CVSS Score
Published: April 15, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 03:10 AM UTC
1 product affected across 1 vendorLibdwarf
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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.8%
SSVC
No known exploit
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 2020-12-01
Affected range stops below 2020-12-01, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (4)
Issue TrackingPermissions RequiredThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2026000SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
6.5MEDIUMCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-476
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