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[SECURITY] [DLA-152-1] postgresql-8.4 update



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Package        : postgresql-8.4
Version        : 8.4.22lts1-0+deb6u1
CVE ID         : CVE-2014-8161 CVE-2015-0241 CVE-2015-0243 CVE-2015-0244

Several vulnerabilities were discovered in PostgreSQL, a relational
database server system.  The 8.4 branch is EOLed upstream, but still
present in Debian squeeze.  This new LTS minor version contains the
fixes that were applied upstream to the 9.0.19 version, backported to
8.4.22 which was the last version officially released by the PostgreSQL
developers.  This LTS effort for squeeze-lts is a community project
sponsored by credativ GmbH.

CVE-2014-8161: Information leak
A user with limited clearance on a table might have access to information
in columns without SELECT rights on through server error messages.

CVE-2015-0241: Out of boundaries read/write
The function to_char() might read/write past the end of a buffer. This
might crash the server when a formatting template is processed.

CVE-2015-0243: Buffer overruns in contrib/pgcrypto
The pgcrypto module is vulnerable to stack buffer overrun that might
crash the server.

CVE-2015-0244: SQL command injection
Emil Lenngren reported that an attacker can inject SQL commands when the 
synchronization between client and server is lost.
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