UpHeron
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Servers and applications

CVE-2022-3736

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.

Severity
High 7.5
Published
26 Jan 2023
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
9.16.37, 9.18.11, 9.19.9
Sources
NVD

Affected software

SoftwareAffected versions
BIND 9Servers and applications · cpe:a:isc:bind
  • From 9.19.0 before 9.19.9
  • From 9.18.0 before 9.18.11
  • Version 9.16.36-s1
  • Version 9.16.32-s1
All 9 release lines
  • Version 9.16.11-s1
  • From 9.16.12 before 9.16.37
  • Version 9.16.13-s1
  • Version 9.16.14-s1
  • Version 9.16.21-s1
  • Version 9.16.32-s1
  • Version 9.16.36-s1
  • From 9.18.0 before 9.18.11
  • From 9.19.0 before 9.19.9

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-3736
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-3736