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Last-minute updates for release notes.
Security: CVE-2020-1720
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doc/src/sgml/release-12.sgml

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<listitem>
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<!--
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Author: Alvaro Herrera <alvherre@alvh.no-ip.org>
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Branch: master [b048f558d] 2020-02-10 11:47:09 -0300
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Branch: REL_12_STABLE [2ad125322] 2020-02-10 11:47:09 -0300
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Branch: REL_11_STABLE [bdd19e48a] 2020-02-10 11:47:09 -0300
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Branch: REL_10_STABLE [ac1a998ed] 2020-02-10 11:47:09 -0300
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Branch: REL9_6_STABLE [e8b8eb937] 2020-02-10 12:06:25 -0300
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-->
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<para>
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Add missing permissions checks for <command>ALTER ... DEPENDS ON
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EXTENSION</command> (&Aacute;lvaro Herrera)
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</para>
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<para>
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Marking an object as dependent on an extension did not have any
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privilege check whatsoever. This oversight allowed any user to mark
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routines, triggers, materialized views, or indexes as droppable by
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anyone able to drop an extension. Require that the calling user own
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the specified object (and hence have privilege to drop it).
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(CVE-2020-1720)
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</para>
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</listitem>
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<listitem>
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<!--
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Author: Alvaro Herrera <alvherre@alvh.no-ip.org>
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Branch: master [9710d3d4a] 2020-02-07 17:09:36 -0300
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Branch: REL_12_STABLE [ce054a8cd] 2020-02-07 17:09:36 -0300
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-->
@@ -1201,6 +1225,24 @@ Branch: REL9_4_STABLE [56c06999d] 2019-11-13 11:35:37 -0500
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<listitem>
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<!--
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Author: Alvaro Herrera <alvherre@alvh.no-ip.org>
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Branch: master [8fa8e0115] 2020-02-10 12:14:58 -0300
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Branch: REL_12_STABLE [87d014da9] 2020-02-10 12:14:58 -0300
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Branch: REL_11_STABLE [ca902add6] 2020-02-10 12:14:58 -0300
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Branch: REL_10_STABLE [163161723] 2020-02-10 12:14:58 -0300
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Branch: REL9_6_STABLE [5575fc208] 2020-02-10 12:14:58 -0300
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Branch: REL9_5_STABLE [1b2ae4bcd] 2020-02-10 12:16:40 -0300
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Branch: REL9_4_STABLE [6f1e443a6] 2020-02-10 12:14:58 -0300
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-->
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<para>
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Apply more thorough syntax checking
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to <application>createuser</application>'s
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<option>--connection-limit</option> option (&Aacute;lvaro Herrera)
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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 [4ba4bfaf2] 2019-12-26 15:19:39 -0500
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Branch: REL_12_STABLE [883c27a1c] 2019-12-26 15:19:39 -0500

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