A xorg-server security update has been released for Debian GNU/Linux 8 and 9 Extended LTS to address several vulnerabilities that may result in privilege escalation if the X server is running privileged.

ELA-782-1 xorg-server security update

Package : xorg-server
Version : 2:1.16.4-1+deb8u9 (jessie), 2:1.19.2-1+deb9u12 (stretch)

Related CVEs :
CVE-2022-4283
CVE-2022-46340
CVE-2022-46341
CVE-2022-46342
CVE-2022-46343
CVE-2022-46344

Jan-Niklas Sohn discovered several vulnerabilities in X server extensions in the X.Org X server, which may result in privilege escalation if the X server is running privileged.

  ELA-782-1 xorg-server security update