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Debian Security Advisory DSA-3936-1                   security@debian.org
https://www.debian.org/security/                       Moritz Muehlenhoff
August 10, 2017                       https://www.debian.org/security/faq
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Package        : postgresql-9.6
CVE ID         : CVE-2017-7546 CVE-2017-7547 CVE-2017-7548

Several vulnerabilities have been found in the PostgreSQL database
system:

CVE-2017-7546

    In some authentication methods empty passwords were accepted.

CVE-2017-7547

    User mappings could leak data to unprivileged users.

CVE-2017-7548

    The lo_put() function ignored ACLs.

For more in-depth descriptions of the security vulnerabilities,
please see https://www.postgresql.org/about/news/2017-08-10-security-update-release-1772/

For the stable distribution (stretch), these problems have been fixed in
version 9.6.4-0+deb9u1.

We recommend that you upgrade your postgresql-9.6 packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org