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Oracle Solaris 11: CVE-2021-25219 (11.4 SRU 40.107.3)

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Oracle Solaris 11: CVE-2021-25219 (11.4 SRU 40.107.3)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
10/27/2021
Created
12/14/2021
Added
12/13/2021
Modified
02/17/2022

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)

  • oracle-solaris-11-4-upgrade-network-dns-bind-9-11-36-0-0-11-4-40-0-1-107-3
  • oracle-solaris-11-4-upgrade-service-network-dns-bind-9-11-36-0-0-11-4-40-0-1-107-3

References

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