A gzip security update has been released for CentOS 7.

CESA-2022:2191 Important CentOS 7 gzip Security Update

CentOS Errata and Security Advisory 2022:2191 Important

Upstream details at :   https://access.redhat.com/errata/RHSA-2022:2191

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

x86_64:
a38a894774d443bd314d09acaa9ee6056116e25f757c9e76290fe30450b9ca95 gzip-1.5-11.el7_9.x86_64.rpm

Source:
e9e64297606368b279ccd6cfae12d5feeba82e5b8ae4c776330a660969b6ac17 gzip-1.5-11.el7_9.src.rpm