A zenity bugfix update has been released for CentOS 7.

CEBA-2022:5241 CentOS 7 zenity BugFix Update

CentOS Errata and Bugfix Advisory 2022:5241

Upstream details at :   https://access.redhat.com/errata/RHBA-2022:5241

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

x86_64:
b5e1f251fa985a796daa60023e6589a2ba38ccb958e5fb09215538f676a01863 zenity-3.28.1-2.el7_9.x86_64.rpm

Source:
7eb7870eda35517def333b267a624ca41a6300b9e6f84b4c869be730ed857560 zenity-3.28.1-2.el7_9.src.rpm