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IBM AIX: bind_advisory20 (CVE-2021-25219): Vulnerability in bind affects AIX

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IBM AIX: bind_advisory20 (CVE-2021-25219): Vulnerability in bind affects AIX

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
10/27/2021
Created
10/12/2022
Added
10/12/2022
Modified
10/12/2022

Description

In BIND 9.3.0 -> 9.11.35, 9.12.0 -> 9.16.21, and versions 9.9.3-S1 -> 9.11.35-S1 and 9.16.8-S1 -> 9.16.21-S1 of BIND Supported Preview Edition, as well as release versions 9.17.0 -> 9.17.18 of the BIND 9.17 development branch, exploitation of broken authoritative servers using a flaw in response processing can cause degradation in BIND resolver performance. The way the lame cache is currently designed makes it possible for its internal data structures to grow almost infinitely, which may cause significant delays in client query processing.

Solution(s)

  • ibm-aix-bind_advisory20

References

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