The Internet System Consortium has released updates for BIND to address a vulnerability in BIND versions 9.4-ESV-R3 and later, 9.6-ESV-R2 and later, 9.6.3, 9.7.1 and later, and 9.8.0 and later. Exploitation of this vulnerability may allow an attacker to cause a denial-of-service condition. Additional information regarding this vulnerability can be found in US-CERT Vulnerability Note VU#795694.
US-CERT encourages users and administrators to review CVE-2011-1910 and apply the respective patches to help mitigate the risks. Since BIND is often packaged in larger third-party applications or operating system distributions, users and administrators should check with their software vendors for updated versions.