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ISC BIND 9 DNS RDATA Handling DoS

Medium

Synopsis

The remote DNS server may be affected by a denial of service vulnerability

Description

The remote host is running Bind, a popular name server.

Versions of BIND earlier than 9.6-ESV-R7-P4 / 9.6-ESV-R8 / 9.7.6-P4 / 9.7.7 / 9.8.3-P4 / 9.8.4 / 9.9.1-P4 / 9.9.2 are potentially affected by a denial of service vulnerability. Affected versions of BIND can become locked up if certain combination of RDATA are loaded into the server

Solution

Upgrade to BIND 9.6-ESV-R7-P4 / 9.6-ESV-R8 / 9.7.6-P4 / 9.7.7 / 9.8.3-P4 / 9.8.4 / 9.9.1-P4 / 9.9.2 or later.