A tigervnc security update has been released for CentOS 7.

CESA-2023:0675 Important CentOS 7 tigervnc 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:
c8b6abc5626065638f17e289f7fb74fa496ecaff7832cc8ba0a863022187702f tigervnc-1.8.0-24.el7_9.x86_64.rpm
e56d1ffa341be20d595bbecff5b341080ab023c5d8420ce4a03813df47621344 tigervnc-icons-1.8.0-24.el7_9.noarch.rpm
acf66eaf4814c700b8d03668188f2b09be1df06f54e8dfc7159e8377313b08d1 tigervnc-license-1.8.0-24.el7_9.noarch.rpm
5a75bd391a4b8675246d8051d4d1a0e28e7ba932456d922c9e6dfe78320bf4dd tigervnc-server-1.8.0-24.el7_9.x86_64.rpm
f7d0605e20c9b7a067014b7687865aa1141217958d73b9b8d83a71b4da504daf tigervnc-server-applet-1.8.0-24.el7_9.noarch.rpm
24769d4968eb49e6106e6ccec86baf5eeb3e053dfd03158fb385fd0bfd8b3cd7 tigervnc-server-minimal-1.8.0-24.el7_9.x86_64.rpm
7af082c81c1d06e353c77f01f35f6d3cd695a765a542d309f406079af5f14000 tigervnc-server-module-1.8.0-24.el7_9.x86_64.rpm

Source:
d8d8280d36c838cedd4317e9dccff0ef3280e34d948978144bb6a9bec93e3d81 tigervnc-1.8.0-24.el7_9.src.rpm