wiredmikey writes "The Internet Systems Consortium (ISC) and US-CERT have issued a high severity vulnerability warning, discovered by Neustar, which affects BIND, the most widely used DNS software on the Internet. Successful exploitation could enable attacker to cause Bind servers to stop processing all requests. According to the disclosure, 'When an authoritative server processes a successful IXFR transfer or a dynamic update, there is a small window of time during which the IXFR/update coupled with a query may cause a deadlock to occur. This deadlock will cause the server to stop processing all requests. A high query rate and/or a high update rate will increase the probability of this condition.'"
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