Description
A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Integer underflow leading to heap-buffer overflow may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Published: 2020-09-15
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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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-2020-6505 A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Integer underflow leading to heap-buffer overflow may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
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
Redhat Enterprise Linux
X.org X Server
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-04T12:46:33.327Z

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

Link: CVE-2020-14362

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-09-15T19:15:12.887

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

Link: CVE-2020-14362

cve-icon Redhat

Severity : Important

Publid Date: 2020-08-25T00:00:00Z

Links: CVE-2020-14362 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses