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<define-tag description>LTS security update</define-tag>
<define-tag moreinfo>
<ul>
<li><a href="https://security-tracker.debian.org/tracker/CVE-2017-3136">CVE-2017-3136</a>
<p>Oleg Gorokhov of Yandex discovered that BIND does not properly
handle certain queries when using DNS64 with the "break-dnssec yes;"
option, allowing a remote attacker to cause a denial-of-service.</p></li>
<li><a href="https://security-tracker.debian.org/tracker/CVE-2017-3137">CVE-2017-3137</a>
<p>It was discovered that BIND makes incorrect assumptions about the
ordering of records in the answer section of a response containing
CNAME or DNAME resource records, leading to situations where BIND
exits with an assertion failure. An attacker can take advantage of
this condition to cause a denial-of-service.</p></li>
<li><a href="https://security-tracker.debian.org/tracker/CVE-2017-3138">CVE-2017-3138</a>
<p>Mike Lalumiere of Dyn, Inc. discovered that BIND can exit with a
REQUIRE assertion failure if it receives a null command string on
its control channel. Note that the fix applied in Debian is only
applied as a hardening measure. Details about the issue can be found
at <a href="https://kb.isc.org/article/AA-01471">https://kb.isc.org/article/AA-01471</a>.</p></li>
</ul>
<p>For Debian 7 <q>Wheezy</q>, these problems have been fixed in version
1:9.8.4.dfsg.P1-6+nmu2+deb7u16.</p>
<p>We recommend that you upgrade your bind9 packages.</p>
<p>Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: <a href="https://wiki.debian.org/LTS">https://wiki.debian.org/LTS</a></p>
</define-tag>
# do not modify the following line
#include "$(ENGLISHDIR)/lts/security/2017/dla-957.data"
# $Id: $
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