CVE-2020-14345
Published Sep 15, 2020 · Updated Nov 3, 2026
Original summary
Normalized public record · Updated Nov 3, 2026
A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Out-Of-Bounds access in XkbSetNames function may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Out-Of-Bounds access in XkbSetNames function may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- MEDIUM
- Confidence
- Not available
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- bugzilla.redhat.com ↗
- lists.x.org ↗
- USN-4490-1 ↗
- USN-4488-2 ↗
- GLSA-202012-01 ↗
- www.zerodayinitiative.com ↗
- [oss-security] 20210115 Re: [vs] Cinnamon lock screen bypass in multiple distributions ↗
Record history
Published Sep 15, 2020 · Last refreshed Nov 3, 2026