USN-3769-2: Bind vulnerability

01 October 2018

Bind could be made to crash if it received specially crafted network traffic.



  • bind9 - Internet Domain Name Server


USN-3769-1 fixed a vulnerability in Bind. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

It was discovered that Bind incorrectly handled the deny-answer-aliases
feature. If this feature is enabled, a remote attacker could 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 12.04

In general, a standard system update will make all the necessary changes.


Related notices

  • USN-3769-1: libirs141, libisccfg-export140, lwresd, libisccc-export160, libdns1100, libirs-export160-udeb, libisccc-export160-udeb, liblwres90, libirs-export141, libdns-export1100-udeb, libbind-dev, libisccc90, bind9utils, libisccfg-export160-udeb, libdns-export162, libisc95, libdns-export1100, libirs160, libisccc-export140, dnsutils, libirs-export141-udeb, libisccfg160, bind9, bind9-host, libbind9-90, libbind-export-dev, libirs-export160, bind9-doc, libisc-export169, libisccfg-export160, libisccfg-export140-udeb, libisccfg140, libbind9-160, host, libisccc160, liblwres141, libisc-export160-udeb, libisccc140, liblwres160, libisc-export169-udeb, libbind9-140, libisccc-export140-udeb, libdns-export162-udeb, libisc169, libisccfg90, libdns162, libisc-export160, libisc160, libdns100