CVE-2020-8618
Publication date 17 June 2020
Last updated 25 August 2025
Ubuntu priority
Description
An attacker who is permitted to send zone data to a server via zone transfer can exploit this to intentionally trigger the assertion failure with a specially constructed zone, denying service to clients.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| bind9 | 20.04 LTS focal |
Fixed 1:9.16.1-0ubuntu2.2
|
| 18.04 LTS bionic |
Not affected
|
|
| 16.04 LTS xenial |
Not affected
|
|
| 14.04 LTS trusty |
Not affected
|
Notes
Severity score breakdown
CVSS version: CVSS v3.0
Base score
4.9 · Medium
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
References
Related Ubuntu Security Notices (USN)
- USN-4399-1
- Bind vulnerabilities
- 17 June 2020