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Zero-day suspected in BIND 9 DNS server crashes

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Security

A zero-day vulnerability is the suspected cause of BIND 9 DNS server crashes occurring across the web.

BIND 9 is the most widely used DNS server on the internet, meaning the flaw could have a massive impact.

"Organisations across the internet reported crashes interrupting service on BIND 9 nameservers performing recursive queries... An as-yet unidentified network event caused BIND 9 resolvers to cache an invalid record, subsequent queries for which could crash the resolvers with an assertion failure," the Internet Systems Consortium (ISC) said in an advisory.

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