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[opennic-discuss] Fwd: [SECURITY] [DSA 3758-1] bind9 security update

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  • From: Fusl Dash <opennic AT>
  • To: "discuss AT" <discuss AT>
  • Subject: [opennic-discuss] Fwd: [SECURITY] [DSA 3758-1] bind9 security update
  • Date: Wed, 11 Jan 2017 23:26:17 +0100

Be safe out there!

-------- Forwarded Message --------
Subject: [SECURITY] [DSA 3758-1] bind9 security update
Resent-Date: Wed, 11 Jan 2017 22:15:25 +0000 (UTC)
Resent-From: debian-security-announce AT
Date: Wed, 11 Jan 2017 23:15:08 +0100
From: Florian Weimer <fw AT>
Reply-To: debian-security-announce-request AT
To: debian-security-announce AT

Debian Security Advisory DSA-3758-1 security AT Florian Weimer
January 11, 2017

Package : bind9
CVE ID : CVE-2016-9131 CVE-2016-9147 CVE-2016-9444
Debian Bug : 851062 851063 851065

Several denial-of-service vulnerabilities (assertion failures) were
discovered in BIND, a DNS server implementation.


A crafted upstream response to an ANY query could cause an
assertion failure.


A crafted upstream response with self-contradicting DNSSEC data
could cause an assertion failure.


Specially-crafted upstream responses with a DS record could cause
an assertion failure.

These vulnerabilities predominantly affect DNS servers providing
recursive service. Client queries to authoritative-only servers
cannot trigger these assertion failures. These vulnerabilities are
present whether or not DNSSEC validation is enabled in the server

For the stable distribution (jessie), these problems have been fixed in
version 1:9.9.5.dfsg-9+deb8u9.

We recommend that you upgrade your bind9 packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at:

Mailing list: debian-security-announce AT

Best regards

Fusl - root AT -

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  • [opennic-discuss] Fwd: [SECURITY] [DSA 3758-1] bind9 security update, Fusl Dash, 01/11/2017

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