CVE-2020-14347: The Xorg Project xorg-x11-server

A flaw was found in the way xserver memory was not properly initialized.

CVSS 5.5 MediumEPSS 0.0039 · 33rd percentile

Published by the CVE Program (CNA: redhat) at 5 Aug 2020, 13:08 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
The Xorg Project	xorg-x11-server	affected 1.20.9

Identifiers

CVE-2020-14347

CNA

redhat

Weakness (CWE)

CWE-665

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
5.5	Medium	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N	CNA (redhat)

CISA KEV Not listed.
EPSS 0.0039, the 33rd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 5 Aug 2020. New records show when each source confirmed them.

Sources

References from the CNA

lists.x.org/archives/xorg-announce/2020-July/003051.html
www.openwall.com/lists/oss-security/2020/07/31/2
bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14347 confirm
lists.opensuse.org/opensuse-security-announce/2020-08/msg00066.html vendor-advisorysuse
lists.debian.org/debian-lts-announce/2020/08/msg00057.html mailing-listmlist
lists.opensuse.org/opensuse-security-announce/2020-08/msg00075.html vendor-advisorysuse
www.debian.org/security/2020/dsa-4758 vendor-advisorydebian
usn.ubuntu.com/4488-1/ vendor-advisoryubuntu
usn.ubuntu.com/4488-2/ vendor-advisoryubuntu
security.gentoo.org/glsa/202012-01 vendor-advisorygentoo

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.