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ISC BIND9If a server hosts a zone containing a “KEY” Resource Record, or a resolver DNSSEC-validates a “KEY” …

Risk 33
Severity
7

If a server hosts a zone containing a “KEY” Resource Record, or a resolver DNSSEC-validates a “KEY” Resource Record from a DNSSEC-signed domain in cache, a client can exhaust resolver CPU resources by sending a stream of SIG(0) signed requests.

This vulnerability affects the following upstream's bind9 versions: 9.0.0 -> 9.11.37 9.16.0 -> 9.16.50 9.18.0 -> 9.18.27 9.19.0 -> 9.19.24

First published (updated )
REDHAT-BUG-2298901

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