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https://kb.isc.org/article/AA-01161/...-to-Crash.html

CVE-2014-3214
Document Version: 2.0
Posting date: 8 May 2014
Program Impacted: BIND
Versions affected: 9.10.0
Severity: High
Exploitable: Remotely

Description:

A defect in the pre-fetch feature (which is enabled by default) can cause BIND 9.10.0 to terminate with a "REQUIRE" assertion failure if it processes queries whose answers have particular attributes. This can be triggered as the result of normal query processing.

Impact:

Recursive nameservers are vulnerable to this defect. Authoritative-only servers are not at risk. On an affected nameserver, the assertion failure, if triggered, results in an immediate exit from named, denying service to clients attempting to query the recursive server.

Active exploits: There are no known active exploits but the crash has been independently reported by multiple organizations.

Solution: Upgrade to the patched release listed below. BIND software can be downloaded from http://www.isc.org/downloads

BIND 9 version 9.10.0-P1