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ISC BIND: Configured to answer from stale cache may terminate unexpectedly while processing RRSIG queries (CVE-2022-3736)

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ISC BIND: Configured to answer from stale cache may terminate unexpectedly while processing RRSIG queries (CVE-2022-3736)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
01/26/2023
Created
03/08/2023
Added
03/07/2023
Modified
11/08/2023

Description

BIND 9 resolver can crash when stale cache and stale answers are enabled, option `stale-answer-client-timeout` is set to a positive integer, and the resolver receives an RRSIG query. This issue affects BIND 9 versions 9.16.12 through 9.16.36, 9.18.0 through 9.18.10, 9.19.0 through 9.19.8, and 9.16.12-S1 through 9.16.36-S1.

Solution(s)

  • upgrade-isc-bind-latest

References

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