Vulnerability CVE-2021-4011: Information

Description

A flaw was found in xorg-x11-server in versions before 21.1.2 and before 1.20.14. An out-of-bounds access can occur in the SwapCreateRegister function. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Severity: HIGH (7.8) Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Published: Dec. 17, 2021
Modified: Nov. 7, 2023
Error type identifier: CWE-119

Fixed packages

References to Advisories, Solutions, and Tools

    1. Configuration 1

      cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:*
      End excliding
      1.20.14

      cpe:2.3:a:x.org:x_server:21.1.1:*:*:*:*:*:*:*

      cpe:2.3:a:x.org:x_server:21.1.0:*:*:*:*:*:*:*

      Configuration 2

      cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

      cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

      Configuration 3

      cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

      cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

      cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*