On Sun, Jun 16, 2019 at 03:00:27PM +0000, Tom Lane wrote:
Further fix privileges on pg_statistic_ext[_data].

We don't need to restrict column privileges on pg_statistic_ext;
all of that data is OK to read publicly.  What we *do* need to do,
which was overlooked by 6cbfb784c, is revoke public read access on
pg_statistic_ext_data; otherwise we still have the same security
hole we started with.

Catversion bump to ensure that installations calling themselves
beta2 will have this fix.

Diagnosis/correction by Dean Rasheed and Tomas Vondra, but I'm
going to go ahead and push this fix ASAP so we get more buildfarm
cycles on it.

Thanks! Appreciated.


--
Tomas Vondra                  http://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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