Debian Security Advisory

DLA-1285-1 bind9 -- LTS security update

Date Reported:
16 Feb 2018
Affected Packages:
Security database references:
In the Debian bugtracking system: Bug 889285.
In Mitre's CVE dictionary: CVE-2018-5735.
More information:

BIND, a DNS server implementation, was found to be vulnerable to a denial of service flaw was found in the handling of DNSSEC validation. A remote attacker could use this flaw to make named exit unexpectedly with an assertion failure via a specially crafted DNS response. This issue is closely related to CVE-2017-3139.

For Debian 7 Wheezy, these problems have been fixed in version 9.8.4.dfsg.P1-6+nmu2+deb7u20.

We recommend that you upgrade your bind9 packages.

For the detailed security status of bind9 please refer to its security tracker page at:

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