Re: Bug Report: PostgreSQL 16 crashes on ALTER USER CURRENT_USER WITH PASSWORD

From: Gilles Darold <gilles(at)darold(dot)net>
To: Andrii <andriikrivich(at)gmail(dot)com>, pgsql-bugs(at)lists(dot)postgresql(dot)org
Subject: Re: Bug Report: PostgreSQL 16 crashes on ALTER USER CURRENT_USER WITH PASSWORD
Date: 2026-01-08 04:45:40
Message-ID: c36c3414-c418-4db2-a676-2aa90f0d46e2@darold.net
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Le 06/01/2026 à 14:58, Andrii a écrit :
>
>
> Summary
>
> PostgreSQL server crashes with a segmentation fault when executing
> |ALTER USER CURRENT_USER WITH PASSWORD| in PostgreSQL 16.10 and 16.11.
> The crash results in immediate termination of the backend process and
> forces a full instance restart.
>

Hi Andril,

I think the problem might comes from the credcheck extension. Please
upgrade to version 4.3 of credcheck. Several possible crash have fixed
since v3.0.

Best regards.

--
Gilles Darold

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