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Both views replace the umoptions field with NULL when the user does not meet qualifications to see it. They used different qualifications, and pg_user_mappings documented qualifications did not match its implemented qualifications. Make its documentation and implementation match those of user_mapping_options. One might argue for stronger qualifications, but these have long, documented tenure. pg_user_mappings has always exhibited this problem, so back-patch to 9.2 (all supported versions). Michael Paquier and Feike Steenbergen. Reviewed by Jeff Janes. Reported by Andrew Wheelwright. Security: CVE-2017-7486 |
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