CVE-2025-40778
Publication date 22 October 2025
Last updated 23 October 2025
Ubuntu priority
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| bind9 | 25.10 questing |
Fixed 1:9.20.11-1ubuntu2.1
|
| 25.04 plucky |
Fixed 1:9.20.11-0ubuntu0.2
|
|
| 24.04 LTS noble |
Fixed 1:9.18.39-0ubuntu0.24.04.2
|
|
| 22.04 LTS jammy |
Fixed 1:9.18.39-0ubuntu0.22.04.2
|
|
| 20.04 LTS focal |
Needs evaluation
|
|
| 18.04 LTS bionic |
Needs evaluation
|
|
| 16.04 LTS xenial |
Needs evaluation
|
|
| 14.04 LTS trusty |
Needs evaluation
|
|
| isc-dhcp | 25.10 questing |
Needs evaluation
|
| 25.04 plucky |
Needs evaluation
|
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy |
Not affected
|
|
| 20.04 LTS focal |
Not affected
|
|
| 18.04 LTS bionic |
Needs evaluation
|
|
| 16.04 LTS xenial |
Not affected
|
|
| 14.04 LTS trusty |
Not affected
|
|
| bind9-libs | 25.10 questing | Not in release |
| 25.04 plucky | Not in release | |
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy |
Needs evaluation
|
|
| 20.04 LTS focal |
Needs evaluation
|
Notes
alexmurray
As of isc-dhcp-4.4.3-1, isc-dhcp vendors bind9 libs
mdeslaur
in focal and jammy, isc-dhcp uses the bind9-libs package per upstream, 9.11+, need to check
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
8.6 · High
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Changed |
| Confidentiality | None |
| Integrity impact | High |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N |
References
Related Ubuntu Security Notices (USN)
- USN-7836-1
- Bind vulnerabilities
- 22 October 2025