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Ubuntu: (Multiple Advisories) (CVE-2024-1975): Bind vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2024-1975): Bind vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
07/23/2024
Created
07/24/2024
Added
07/24/2024
Modified
08/02/2024

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.

Solution(s)

  • ubuntu-upgrade-bind9

References

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