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

CESA-2023:0675 Important CentOS 7 xorg-x11-server Security Update

CentOS Errata and Security Advisory 2023:0675 Important

Upstream details at :   https://access.redhat.com/errata/RHSA-2023:0675

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

x86_64:
079a8f1382b2cde5fc460d2bfb277e6586eeffb928b2d9ed2bb6258fdc6fc4ed xorg-x11-server-common-1.20.4-22.el7_9.x86_64.rpm
4c7d848c14e00ec553e54a225e05056fee56b5df54a71ffe45ce122d6b74625b xorg-x11-server-devel-1.20.4-22.el7_9.i686.rpm
c34ab6928f9fde2419804036a6bf4221cb2f3487c33bd131afad5e5573f289fe xorg-x11-server-devel-1.20.4-22.el7_9.x86_64.rpm
4a8694a364e768699fa73bb47949f8b4f66c047ef8c5ddc23bde156d7e70f7d5 xorg-x11-server-source-1.20.4-22.el7_9.noarch.rpm
1e079edd2e893af3264ce1312a543eb600f7324169393765ef4fad6463caad42 xorg-x11-server-Xdmx-1.20.4-22.el7_9.x86_64.rpm
aafce5e4b381bbdcd56ca810cabc34fd9ffb40b7f49bd9cec0edce43d0f8596a xorg-x11-server-Xephyr-1.20.4-22.el7_9.x86_64.rpm
56ca48ac0b31c1895271b0c78a7c6fd5045f217634b908660f5d61925af71252 xorg-x11-server-Xnest-1.20.4-22.el7_9.x86_64.rpm
79e43cf434b3dee8dae9d367becc2c0025c3514b0684d27a2cfe6fbf9557c019 xorg-x11-server-Xorg-1.20.4-22.el7_9.x86_64.rpm
cf6e5c1bef9ab5c56100beb91545140ecb2ffc878294ed3cb87ee4d53c82f799 xorg-x11-server-Xvfb-1.20.4-22.el7_9.x86_64.rpm
f85fb2606d67d58d19d4784aa765bd6d383b85945372625ef606ddc20559702d xorg-x11-server-Xwayland-1.20.4-22.el7_9.x86_64.rpm

Source:
03a99e8f63fce31bec5354d14a0ec91143f0342860634d55892cd6db0012c53a xorg-x11-server-1.20.4-22.el7_9.src.rpm