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Status published
Medium
CVE-2020-14347
A flaw was found in the way xserver memory was...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://lists.x.org/archives/xorg-announce/2020-July/003051.html
- https://www.openwall.com/lists/oss-security/2020/07/31/2
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14347
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00066.html
- https://lists.debian.org/debian-lts-announce/2020/08/msg00057.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00075.html
- https://www.debian.org/security/2020/dsa-4758
- https://usn.ubuntu.com/4488-1/
- https://usn.ubuntu.com/4488-2/
- https://security.gentoo.org/glsa/202012-01
Affected Vendor
The Xorg Project
View all reports →Affected Software
xorg-x11-server
Vulnerable Versions:
1.20.9
Timeline
Official Publish:
August 5th, 2020
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.