CVE-2022-3736
moderate-risk
Published 2023-01-26
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.
Do I need to act?
~
2.5% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10
High
NETWORK
/ LOW complexity
Affected Vendors
References (2)
Vendor Advisory
https://kb.isc.org/docs/cve-2022-3736
Vendor Advisory
https://kb.isc.org/docs/cve-2022-3736
46
/ 100
moderate-risk
Severity
26/34 · High
Exploitability
6/34 · Minimal
Exposure
14/34 · Moderate