What is CVE-2022-3736?

CVE-2022-3736 is a high-severity vulnerability in Isc Bind 9. CVSS score: 7.5/10. Published 2023-01-25.

How severe is CVE-2022-3736?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2022-3736 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Isc Bind 9

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…

EPSS: 0.505 (98.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Isc Bind 9 — versions 9.16.12, 9.18.0, 9.19.0

Public proof-of-concept exploits

karimhabush/cyberowl

References

CVE-2022-3736 (vendor-advisory)

Frequently asked questions

What is CVE-2022-3736?: CVE-2022-3736 is a high-severity vulnerability in Isc Bind 9. CVSS score: 7.5/10. Published 2023-01-25.
How severe is CVE-2022-3736?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-3736 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.