This release contains a variety of fixes from 7.3.17, including
a security fix.
A dump/restore is not required for those running 7.3.X. However,
if you are upgrading from a version earlier than 7.3.13, see the release
notes for 7.3.13.
Remove security vulnerability that allowed connected users
to read backend memory (Tom)
The vulnerability involves changing the
data type of a table column used in a SQL function (CVE-2007-0555).
This error can easily be exploited to cause a backend crash, and in
principle might be used to read database content that the user
should not be able to access.
Fix rare bug wherein btree index page splits could fail
due to choosing an infeasible split point (Heikki Linnakangas)
Tighten security of multi-byte character processing for UTF8 sequences
over three bytes long (Tom)
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