CVE-2022-3736
7.5
HIGH
CVSS 3.1
EPSS 2.5%
Description
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.
How to fix CVE-2022-3736
To remediate CVE-2022-3736, upgrade the affected package to a fixed version below.
- Alpine/bind—upgrade to 9.16.37-r0 or later
- —upgrade to 1:9.16.37-1~deb11u1 or later
Is CVE-2022-3736 being exploited?
Low — EPSS is 2.5%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 9.16.37-r0
- from 0, < 1:9.16.37-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |