Description
A flaw was found in the way xserver memory was not properly initialized. This could leak parts of server memory to the X client. In cases where Xorg server runs with elevated privileges, this could result in possible ASLR bypass. Xorg-server before version 1.20.9 is vulnerable.
Published: 2020-08-05
Score: 5.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2359-1 xorg-server security update
Debian DSA Debian DSA DSA-4758-1 xorg-server security update
EUVD EUVD EUVD-2020-6491 A flaw was found in the way xserver memory was not properly initialized. This could leak parts of server memory to the X client. In cases where Xorg server runs with elevated privileges, this could result in possible ASLR bypass. Xorg-server before version 1.20.9 is vulnerable.
Ubuntu USN Ubuntu USN USN-4488-1 X.Org X Server vulnerabilities
Ubuntu USN Ubuntu USN USN-4488-2 X.Org X Server vulnerabilities
History

Fri, 29 Aug 2025 13:45:00 +0000

Type Values Removed Values Added
First Time appeared X.org x Server
CPEs cpe:2.3:a:x.org:xorg-server:*:*:*:*:*:*:*:* cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:*
Vendors & Products X.org xorg-server
X.org x Server

Subscriptions

Canonical Ubuntu Linux
Debian Debian Linux
Redhat Enterprise Linux
X.org X Server
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-04T12:39:36.535Z

Reserved: 2020-06-17T00:00:00.000Z

Link: CVE-2020-14347

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-08-05T14:15:12.560

Modified: 2025-08-29T13:42:30.557

Link: CVE-2020-14347

cve-icon Redhat

Severity : Moderate

Publid Date: 2020-07-31T00:00:00Z

Links: CVE-2020-14347 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses