CVE-2020-14346

xorg-x11-server: Integer underflow in the X input extension protocol

Published Sep 15, 2020 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
A flaw was found in xorg-x11-server before 1.20.9. An integer underflow in the X input extension protocol decoding in the X server may lead to arbitrary access of memory contents. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Remediation

No solution or workaround provided in the CVE record

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-2020-6490 A flaw was found in xorg-x11-server before 1.20.9. An integer underflow in the X input extension protocol decoding in the X server may lead to arbitrary access of memory contents. 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
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
Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 4, 2024, 12:39 PM
Reserved
Jun 17, 2020, 12:00 AM
Status
Modified
Published
Sep 15, 2020, 7:15 PM
Modified
Jun 17, 2026, 2:54 AM
Severity
Important
Public date
Aug 25, 2020, 12:00 AM