CVE-2022-3736

7.5 highEPSS 48%

High (7.5) in isc bind. EPSS 48% chance of exploitation in the next 30 days.

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

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 48% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2023-01-26
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

isc:bind

References

https://kb.isc.org/docs/cve-2022-3736
https://kb.isc.org/docs/cve-2022-3736

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