DB client different version between DB Engine

Hi,

Database Engine is 11.2.0.3.0 and currently client versión is 11.2.0.4.0, are there any issue with different release of client side..?

NonProd:

--------------------------------------------------------------------------------

Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production     

PL/SQL Release 11.2.0.3.0 - Production                                           

CORE 11.2.0.3.0 Production                                                         

TNS for IBM/AIX RISC System/6000: Version 11.2.0.3.0 - Production                

NLSRTL Version 11.2.0.3.0 - Production 

Cliente:

dentor de folder /bin DEL CLIENTE

$ cd /oracle/client11B32/112/bin

$ ./sqlplus -v

SQL*Plus: Release 11.2.0.4.0 Production

*Opatch muestra todo los patch instalados

*login SQLplus muestra la version del cliente de DB

*cd /oracle/client11B32/112/bin/./sqlplus -v

thanks in advance