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Last-minute updates for release notes.
Security: CVE-2022-1552
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doc/src/sgml/release-12.sgml

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<listitem>
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<!--
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Author: Noah Misch <noah@leadboat.com>
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Branch: master [a117cebd6] 2022-05-09 08:35:08 -0700
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Branch: REL_14_STABLE [ab49ce7c3] 2022-05-09 08:35:12 -0700
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Branch: REL_13_STABLE [35edcc0ce] 2022-05-09 08:35:12 -0700
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Branch: REL_12_STABLE [7f098f7b5] 2022-05-09 08:35:12 -0700
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Branch: REL_11_STABLE [48ca2904c] 2022-05-09 08:35:13 -0700
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Branch: REL_10_STABLE [ef792f785] 2022-05-09 08:35:13 -0700
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Author: Noah Misch <noah@leadboat.com>
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Branch: master [0abc1a059] 2022-05-09 08:35:08 -0700
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Branch: REL_14_STABLE [677a49478] 2022-05-09 08:35:12 -0700
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Branch: REL_13_STABLE [88743d581] 2022-05-09 08:35:12 -0700
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Branch: REL_12_STABLE [880511cb0] 2022-05-09 08:35:12 -0700
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Branch: REL_11_STABLE [34ff15660] 2022-05-09 08:35:13 -0700
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Branch: REL_10_STABLE [f26d57028] 2022-05-09 08:35:13 -0700
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-->
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<para>
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Confine additional operations within <quote>security restricted
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operation</quote> sandboxes (Sergey Shinderuk, Noah Misch)
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</para>
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<para>
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Autovacuum, <command>CLUSTER</command>, <command>CREATE
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INDEX</command>, <command>REINDEX</command>, <command>REFRESH
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MATERIALIZED VIEW</command>,
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and <application>pg_amcheck</application> activated
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the <quote>security restricted operation</quote> protection
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mechanism too late, or even not at all in some code paths.
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A user having permission to create non-temporary objects within a
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database could define an object that would execute arbitrary SQL
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code with superuser permissions the next time that autovacuum
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processed the object, or that some superuser ran one of the affected
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commands against it.
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</para>
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<para>
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The <productname>PostgreSQL</productname> Project thanks
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Alexander Lakhin for reporting this problem.
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(CVE-2022-1552)
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</para>
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</listitem>
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<listitem>
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<!--
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Author: Tom Lane <tgl@sss.pgh.pa.us>
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Branch: master [ec62cb0aa] 2022-03-17 18:18:05 -0400
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Branch: REL_14_STABLE [1d072bd20] 2022-03-17 18:18:05 -0400
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<listitem>
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<!--
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Author: Tom Lane <tgl@sss.pgh.pa.us>
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Branch: master [eafdf9de0] 2022-04-20 18:08:23 -0400
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Branch: REL_14_STABLE [e34632947] 2022-04-20 18:08:24 -0400
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Branch: REL_13_STABLE [8275ba773] 2022-04-20 18:08:15 -0400
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Branch: REL_11_STABLE [e7adbd282] 2022-04-20 18:08:15 -0400
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Branch: REL_10_STABLE [a1e4782a0] 2022-04-20 18:08:15 -0400
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-->
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<para>
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Disallow infinite endpoints in the timestamp variants
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of <function>generate_series()</function> (Tom Lane)
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</para>
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<para>
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Previously, such a call would run until canceled (or
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out-of-disk-space). The numeric variant already threw an error for
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an infinite endpoint value, so do likewise for timestamps.
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</para>
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</listitem>
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<listitem>
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<!--
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Author: Tom Lane <tgl@sss.pgh.pa.us>
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Branch: master [068739fb4] 2022-03-18 16:01:42 -0400
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Branch: REL_14_STABLE [ae8ec7feb] 2022-03-18 16:01:42 -0400
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<listitem>
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<!--
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Author: Tom Lane <tgl@sss.pgh.pa.us>
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Branch: master [fe20afaee] 2022-05-09 14:15:37 -0400
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Branch: REL_14_STABLE [ab2f78392] 2022-05-09 14:15:37 -0400
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Branch: REL_13_STABLE [91a3a74c6] 2022-05-09 14:15:37 -0400
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Branch: REL_12_STABLE [90e52884e] 2022-05-09 14:15:37 -0400
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Branch: REL_11_STABLE [539f8c563] 2022-05-09 14:15:37 -0400
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Branch: REL_10_STABLE [4eabaffca] 2022-05-09 14:15:37 -0400
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-->
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<para>
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Avoid core dump in parser for a <literal>VALUES</literal> clause with
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zero columns (Tom Lane)
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</para>
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</listitem>
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<listitem>
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<!--
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Author: Tom Lane <tgl@sss.pgh.pa.us>
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Branch: master [2591ee8ec] 2022-03-21 17:44:29 -0400
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Branch: REL_14_STABLE [48b6035f0] 2022-03-21 17:44:29 -0400
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Branch: REL_13_STABLE [dfefe38fb] 2022-03-21 17:44:29 -0400

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