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USN-3769-2: Bind vulnerability

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