how to read an APAR descr

please look at:
IBM - IZ54713: SYSCALL BUFFER OVERFLOW VULNERABILITY

how does this vague messages mean and what can I expect?

Closed as program error. ?
Status CLOSED PER ?
PE NoPE ?
HIPER NoHIPER ?

regards,Raba

In the upper part is following information:

There is also a subscribe button so you will be informed automatically if this APAR is updated.

If this is related to a PMR you opened at IBM, you should ask the support about it to make sure what will happen. For me it seems like you have to wait for a fix or next ML update maybe.
In case you have support at IBM and need a fix very urgent, let your management complain so they might come up with a hotfix. Usually they include such a hotfix later in MLs.

ML=Maintenace Level. Today they are called TL, Tech Level, if I am correct.

and specifically the:

Closed as program error. ?
Status CLOSED PER ?
PE NoPE ?
HIPER NoHIPER ?