CVE-2024-1975 Affecting bind9 package, versions <1:9.18.28-0ubuntu0.20.04.1
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Test your applications- Snyk ID SNYK-UBUNTU2004-BIND9-7548262
- published 24 Jul 2024
- disclosed 23 Jul 2024
How to fix?
Upgrade Ubuntu:20.04 bind9 to version 1:9.18.28-0ubuntu0.20.04.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream bind9 package and not the bind9 package as distributed by Ubuntu.
See How to fix? for Ubuntu:20.04 relevant fixed versions and status.
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.