PostgreSQL 9.6.3, 9.5.7, 9.4.12, 9.3.17 和 9.2.21 发布

内容简介：PostgreSQL 9.6.3, 9.5.7, 9.4.12, 9.3.17 和 9.2.21 发布

PostgreSQL 开发组发布了对数据库系统的所有支持版本的更新，包括 9.6.3、9.5.7、9.4.13、9.3.17 和 9.2.21。 此版本修复了三个重要安全问题，以及过去三个月报告的其他一些错误。

已关闭的三个安全漏洞：

• CVE-2017-7484 : selectivity estimators bypass SELECT privilege checks

• CVE-2017-7485 : libpq ignores PGREQUIRESSL environment variable

• CVE-2017-7486 : pg_user_mappings view discloses foreign server passwords

其他更新和修复：

• Fix to ensure consistent behavior for RLS policies

• Fix ALTER TABLE ... VALIDATE CONSTRAINT to not recurse to child tables when the constraint is marked NO INHERIT

• Fix incorrect support for certain box operators in SP-GiST which could yield incorrect results

• Fixes for handling query cancellation

• Skip tablespace privilege checks when ALTER TABLE ... ALTER COLUMN TYPE rebuilds an existing index

• Fix possibly-invalid initial snapshot during logical decoding

• Fix possible corruption of init forks of unlogged indexes

• Several fixes to postmaster, including checks for when running as a Windows service

• Several planner fixes, among others assorted minor fixes in planning of parallel queries

• Avoid possible crashes in walsender and some index-only scans on GiST index

• Fix cancelling of pg_stop_backup() when attempting to stop a non-exclusive backup

• Updates to ecpg to support COMMIT PREPARED and ROLLBACK PREPARED

• Several fixes for pg_dump/pg_restore, among others to handle privileges for procedural languages and when using --clean option

• Several fixes for contrib modules, such as dblink, pg_trgm and postgres_fdw

• Fixes to MSVC builds, such as using correct daylight-savings rules for POSIX-style time zone names and supporting Tcl 8.6

• Several performance improvements

• Fix cursor_to_xml() to produce valid output with tableforest = false

• Fix roundoff problems in float8_timestamptz() and make_interval()

• Fix pgbench to handle the combination of --connect and --rate options correctly

• Fixes to commandline tools such as pg_upgrade and pg_basebackup

• Several fixes to VACUUM and CLUSTER

下载地址：

https://www.postgresql.org/download/

以上所述就是小编给大家介绍的《PostgreSQL 9.6.3, 9.5.7, 9.4.12, 9.3.17 和 9.2.21 发布》，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对 码农网 的支持！

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