CVE-2022-2881

Publication date 21 September 2022

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

8.2 · High

Score breakdown

Description

The underlying bug might cause read past end of the buffer and either read memory it should not read, or crash the process.

Read the notes from the security team

Status

Package Ubuntu Release Status
bind9 23.04 lunar
Fixed 1:9.18.4-2ubuntu2
22.10 kinetic
Fixed 1:9.18.4-2ubuntu2
22.04 LTS jammy
Fixed 1:9.18.1-1ubuntu1.2
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected
isc-dhcp 23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Not affected
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

Notes

alexmurray

As of isc-dhcp-4.4.3-1, isc-dhcp vendors bind9 libs

mdeslaur

affects 9.18+

Severity score breakdown

Parameter Value
Base score 8.2 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-5626-1
    • Bind vulnerabilities
    • 21 September 2022

Other references