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USN-3535-2: Bind vulnerability

17 January 2018

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



  • bind9 - Internet Domain Name Server


USN-3535-1 fixed a vulnerability in Bind. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

Jayachandran Palanisamy discovered that the Bind resolver incorrectly
handled fetch cleanup sequencing. A remote attacker 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 12.04

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


Related notices

  • USN-3535-1: libisccfg-export140-udeb, libisccc140, liblwres90, libbind9-140, libisc-export160, libirs-export141-udeb, libdns162, libisccfg90, libisc160, libisccc-export140-udeb, host, bind9-host, bind9-doc, libdns-export162, libisccc90, dnsutils, lwresd, libdns100, libisccfg-export140, libbind9-90, libirs-export141, libisc-export160-udeb, libisccfg140, libbind-export-dev, libdns-export162-udeb, bind9utils, libisccc-export140, libisc95, libbind-dev, libirs141, bind9, liblwres141