13.9.4.2.5 - Opatch

If your current OPatch version is older (e.g., 13.9.3.x):

$ORACLE_HOME/OPatch/opatch lsinventory | grep 34567890 opatch 13.9.4.2.5

versions 12.2.1.3.0 and 12.2.1.4.0 around 2021. Before applying major security updates, like the quarterly Critical Patch Updates (CPU) If your current OPatch version is older (e