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ISC BIND: Cleaning an ECS-enabled cache may cause excessive CPU load (CVE-2023-5680)

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ISC BIND: Cleaning an ECS-enabled cache may cause excessive CPU load (CVE-2023-5680)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
02/15/2024
Created
02/17/2024
Added
02/15/2024
Modified
02/19/2024

Description

If a resolver cache has a very large number of ECS records stored for the same name, the process of cleaning the cache database node for this name can significantly impair query performance. This issue affects BIND 9 versions 9.11.3-S1 through 9.11.37-S1, 9.16.8-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1.

Solution(s)

  • upgrade-isc-bind-latest

References

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