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Debian Security Advisory DSA-4029-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
November 09, 2017 https://www.debian.org/security/faq
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Package : postgresql-common
CVE ID : CVE-2017-8806

It was discovered that the pg_ctlcluster, pg_createcluster and
pg_upgradecluster commands handled symbolic links insecurely which could
result in local denial of service by overwriting arbitrary files.

For the oldstable distribution (jessie), this problem has been fixed
in version 165+deb8u3.

For the stable distribution (stretch), this problem has been fixed in
version 181+deb9u1.

We recommend that you upgrade your postgresql-common 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
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