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7.5 High

CVE-2024-1975 If a server hosts a zone containing a "KEY" Resource Record, or a resolver DNSSEC-validates a "KEY" Resource Record from…

Description

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 issue affects BIND 9 versions 9.0.0 through 9.11.37, 9.16.0 through 9.16.50, 9.18.0 through 9.18.27, 9.19.0 through 9.19.24, 9.9.3-S1 through 9.11.37-S1, 9.16.8-S1 through 9.16.49-S1, and 9.18.11-S1 through 9.18.27-S1.

Affected products and versions

Product Affected versions Fixed in
BIND 9 9.19 9.19.0 → 9.19.24 No fix stated
BIND 9 9.18 9.18.0 → 9.18.27 No fix stated
BIND 9 9.16 9.16.0 → 9.16.50 No fix stated
BIND 9 9.9 9.9.3-S1 → 9.11.37-S1 No fix stated
BIND 9 9.0 9.0.0 → 9.11.37 No fix stated
BIND 9.19 9.19.0 → 9.19.24 No fix stated
BIND 9.18 9.18.0 → 9.18.27 No fix stated
BIND 9.16 9.16.0 → 9.16.50 No fix stated
BIND 9.9 9.9.3 → 9.11.37-s1 No fix stated
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Product Affected versions Fixed in
BIND 9.0 9.0 → 9.11.37 No fix stated

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