Important CentOS bind Security Update


bind-9.9.4-18.el7_1.2.src.rpm, bind-9.9.4-18.el7_1.2.x86_64.rpm, bind-chroot-9.9.4-18.el7_1.2.x86_64.rpm, bind-devel-9.9.4-18.el7_1.2.i686.rpm, bind-devel-9.9.4-18.el7_1.2.x86_64.rpm, bind-libs-9.9.4-18.el7_1.2.i686.rpm, bind-libs-9.9.4-18.el7_1.2.x86_64.rpm, bind-libs-lite-9.9.4-18.el7_1.2.i686.rpm, bind-libs-lite-9.9.4-18.el7_1.2.x86_64.rpm, bind-license-9.9.4-18.el7_1.2.noarch.rpm, bind-lite-devel-9.9.4-18.el7_1.2.i686.rpm, bind-lite-devel-9.9.4-18.el7_1.2.x86_64.rpm, bind-sdb-9.9.4-18.el7_1.2.x86_64.rpm, bind-sdb-chroot-9.9.4-18.el7_1.2.x86_64.rpm, bind-utils-9.9.4-18.el7_1.2.x86_64.rpm,
2018-01-18 11:10
2017-07-27 19:09
2017-04-01 19:09
2017-01-05 20:13


Updated bind packages that fix one security issue are now available for Red
Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having Important security
impact. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available from the CVE link in the
References section.

The Berkeley Internet Name Domain (BIND) is an implementation of the Domain
Name System (DNS) protocols. BIND includes a DNS server (named); a resolver
library (routines for applications to use when interfacing with DNS); and
tools for verifying that the DNS server is operating correctly.

A flaw was found in the way BIND performed DNSSEC validation. An attacker
able to make BIND (functioning as a DNS resolver with DNSSEC validation
enabled) resolve a name in an attacker-controlled domain could cause named
to exit unexpectedly with an assertion failure. (CVE-2015-4620)

Red Hat would like to thank ISC for reporting this issue.

All bind users are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue. After installing the
update, the BIND daemon (named) will be restarted automatically.
Please see

Am I vulnerable?

The constraints below list the versions that this vulnerability is patched in, and versions that are unaffected. If a patch is ready but unrealeased, then it is pending.

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Affected package information

Release Package Patched in
7 bind bind-9.9.4-18.el7_1.2.src.rpm
bind bind-9.9.4-18.el7_1.2.x86_64.rpm
bind-chroot bind-chroot-9.9.4-18.el7_1.2.x86_64.rpm
bind-devel bind-devel-9.9.4-18.el7_1.2.i686.rpm
bind-devel bind-devel-9.9.4-18.el7_1.2.x86_64.rpm
bind-libs bind-libs-9.9.4-18.el7_1.2.i686.rpm
bind-libs bind-libs-9.9.4-18.el7_1.2.x86_64.rpm
bind-libs-lite bind-libs-lite-9.9.4-18.el7_1.2.i686.rpm
bind-libs-lite bind-libs-lite-9.9.4-18.el7_1.2.x86_64.rpm
bind-license bind-license-9.9.4-18.el7_1.2.noarch.rpm
bind-lite-devel bind-lite-devel-9.9.4-18.el7_1.2.i686.rpm
bind-lite-devel bind-lite-devel-9.9.4-18.el7_1.2.x86_64.rpm
bind-sdb bind-sdb-9.9.4-18.el7_1.2.x86_64.rpm
bind-sdb-chroot bind-sdb-chroot-9.9.4-18.el7_1.2.x86_64.rpm
bind-utils bind-utils-9.9.4-18.el7_1.2.x86_64.rpm