Re: BUG #19422: Malformed raius packet

On Tue, Mar 03, 2026 at 04:20:37PM +0900, Michael Paquier wrote:
> Looking at RFC 2865, there is nothing about a limit of size for the
> attributes. This means that we are only limited by our
> RADIUS_BUFFER_SIZE. Hence, we could bump radius_attribute.length to
> uint16 and add some casts in the check for RADIUS_BUFFER_SIZE so as
> we don't overflow the addition before adding an attribute to the
> packet? On the other hand, we could aim for simpler and just reject
> any attributes larger than 255 bytes. I doubt that anybody would be
> insane enough to use fields larger than that 255 bytes anyway. Both
> solutions are equal in simplicity here.

It is worth noting that RADIUS support has been removed as of Postgres
19 in commit a1643d40b308, so I doubt that we need to take any action
here.

Or would somebody be interested enough to send a patch?
--
Michael