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help / color / mirror / Atom feedFrom: Noah Misch <noah@leadboat.com>
To: pgsql-committers@lists.postgresql.org
Subject: pgsql: Check CREATE privilege on multirange type schema in CREATE TYPE.
Date: Mon, 11 May 2026 12:19:38 +0000
Message-ID: <E1wMPbm-0002YH-27@gemulon.postgresql.org> (raw)
Check CREATE privilege on multirange type schema in CREATE TYPE.
This omission allowed roles to create multirange types in any
schema, potentially leading to privilege escalations. Note that
when a multirange type name is not specified in CREATE TYPE, it is
automatically placed in the range type's schema, which is checked
at the beginning of DefineRange().
Reported-by: Jelte Fennema-Nio <postgres@jeltef.nl>
Author: Jelte Fennema-Nio <postgres@jeltef.nl>
Reviewed-by: Nathan Bossart <nathandbossart@gmail.com>
Reviewed-by: Tomas Vondra <tomas@vondra.me>
Security: CVE-2026-6472
Backpatch-through: 14
Branch
------
REL_17_STABLE
Details
-------
https://git.postgresql.org/pg/commitdiff/c27ba08cd5c58659b32805fe807683cde5429ab2
Author: Nathan Bossart <nathan@postgresql.org>
Modified Files
--------------
src/backend/commands/typecmds.c | 7 +++++++
src/test/regress/expected/multirangetypes.out | 16 ++++++++++++++++
src/test/regress/sql/multirangetypes.sql | 16 ++++++++++++++++
3 files changed, 39 insertions(+)
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To: pgsql-committers@postgresql.org
Cc: noah@leadboat.com, pgsql-committers@lists.postgresql.org
Subject: Re: pgsql: Check CREATE privilege on multirange type schema in CREATE TYPE.
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