A xorg-x11-server security update has been released for CentOS 7.

CESA-2022:8491 Important CentOS 7 xorg-x11-server Security Update

CentOS Errata and Security Advisory 2022:8491 Important

Upstream details at :   https://access.redhat.com/errata/RHSA-2022:8491

The following updated files have been uploaded and are currently
syncing to the mirrors: ( sha256sum Filename )

x86_64:
d009248700d9e5dfb31d429a3fc4511bf6d988ab6276af506e8279a020138c9b xorg-x11-server-common-1.20.4-19.el7_9.x86_64.rpm
1deb2c2c595359a6d9ce1c3cbf28785cb264b03e34a46f8a05bb2c2922937dc0 xorg-x11-server-devel-1.20.4-19.el7_9.i686.rpm
5264ebb9f634f3266ba74ef377d0db45c52877826efb225687b1430a60c824fb xorg-x11-server-devel-1.20.4-19.el7_9.x86_64.rpm
1e92ab11dbfdb95e9151c5fc2f4ef713c7bea0d91690886bf35bb75cd70c9870 xorg-x11-server-source-1.20.4-19.el7_9.noarch.rpm
e2e263c938ce2c5090d810688c04ec6cd001741c076f39d1466a32d13305f123 xorg-x11-server-Xdmx-1.20.4-19.el7_9.x86_64.rpm
4ba6b6ddecf71dc7d8295a3fb4185fa2934f07e58716d8466b73a50137c58a53 xorg-x11-server-Xephyr-1.20.4-19.el7_9.x86_64.rpm
27db2217dfdcab84a095b8363c3aaf36fd751a336577cc3de811d0a747c37feb xorg-x11-server-Xnest-1.20.4-19.el7_9.x86_64.rpm
7961a17846adb9bd4b8dc39c94b3cbe82106b9f14b61013a3b4896b7335f2e1e xorg-x11-server-Xorg-1.20.4-19.el7_9.x86_64.rpm
c2cdc7a6e9930a49880578ed60314a159c97e36dd96908f892d53e315b1c0895 xorg-x11-server-Xvfb-1.20.4-19.el7_9.x86_64.rpm
0579155d9d1a4a339ec6d119e12c2ecc135abd36aef7ba674704d62d18e6e6cc xorg-x11-server-Xwayland-1.20.4-19.el7_9.x86_64.rpm

Source:
b056017c11e5a2efc1de35603d9a390faf0d21e770bf4ff809aa86716a1c019b xorg-x11-server-1.20.4-19.el7_9.src.rpm