USN-6421-1: Bind vulnerability
9 October 2023
Bind could be made to crash if it received specially crafted network traffic.
Releases
Packages
- bind9 - Internet Domain Name Server
Details
It was discovered that Bind incorrectly handled certain control channel
messages. A remote attacker with access to the control channel could
possibly use this issue to cause Bind to crash, resulting in a denial of
service.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 18.04
-
bind9
-
1:9.11.3+dfsg-1ubuntu1.19+esm2
Available with Ubuntu Pro
-
libbind9-160
-
1:9.11.3+dfsg-1ubuntu1.19+esm2
Available with Ubuntu Pro
Ubuntu 16.04
-
bind9
-
1:9.10.3.dfsg.P4-8ubuntu1.19+esm7
Available with Ubuntu Pro
-
libbind9-140
-
1:9.10.3.dfsg.P4-8ubuntu1.19+esm7
Available with Ubuntu Pro
Ubuntu 14.04
-
bind9
-
1:9.9.5.dfsg-3ubuntu0.19+esm11
Available with Ubuntu Pro
-
libbind9-90
-
1:9.9.5.dfsg-3ubuntu0.19+esm11
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.