[PATCH v6] libio: Fix CVE-2026-18374 heap buffer overflow in ccs= handling

[Florian Weimer]

* Dongkyun Son:

> I've just sent v7 with the corrected author format as you suggested.
>
> Thanks,
> Dongkyun

Thanks, looks good.  I'm running some final tests here, and will approve
and merge afterwards.

Florian