Memory Leak in 5.211.65-19 Distro?

After upgraded to this distro. After a few day of up time, I receive this message and need to restart asterisk.When this happen, the app memory usage under freepbx status show over 40%. This is a standalone i5 computer with 8G of RAM. and asterisk version is 11.13

ERROR[25673][C-00005665]: /builddir/build/BUILD/asterisk-11.13.0/include/asterisk/utils.h:533 astcalloc: Memory Allocation Failure in function internal_ao2_alloc at line 571 of astobj2.c