CVE-2022-2795
bind9 - security update
5.3
MEDIUM
CVSS 3.1
EPSS 0.36%
Description
By flooding the target resolver with queries exploiting this flaw an attacker can significantly impair the resolver's performance, effectively denying legitimate clients access to the DNS resolution service.
How to fix CVE-2022-2795
To remediate CVE-2022-2795, upgrade the affected package to a fixed version below.
- Alpine/bind—upgrade to 9.16.33-r0 or later
- —upgrade to 1:9.16.33-1~deb11u1 or later
- —upgrade to 1:9.11.5.P4+dfsg-5.1+deb10u8 or later
- —upgrade to 1:9.16.33-1~deb11u1 or later
Is CVE-2022-2795 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 9.16.33-r0
- from 0, < 1:9.16.33-1~deb11u1
- from 0, < 1:9.11.5.P4+dfsg-5.1+deb10u8
- from 0, < 1:9.16.33-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |