A ksh security update has been released for CentOS 7.
CentOS Errata and Security Advisory 2020:0568 Important
Upstream details at : https://access.redhat.com/errata/RHSA-2020:0568
The following updated files have been uploaded and are currently
syncing to the mirrors: ( sha256sum Filename )
x86_64:
0987cea3cf687c71517c7e29b83521e818a9f811cee57df2375adac9b04e75d7 ksh-20120801-140.el7_7.x86_64.rpm
Source:
2ae6d7ccd138425b20e227033b0bf811ac0f1c92c7962368642e38c618c9d8d7 ksh-20120801-140.el7_7.src.rpm