CVE-2018-18820
Publication date 5 November 2018
Last updated 25 August 2025
Ubuntu priority
Description
A buffer overflow was discovered in the URL-authentication backend of the Icecast before 2.4.4. If the backend is enabled, then any malicious HTTP client can send a request for that specific resource including a crafted header, leading to denial of service and potentially remote code execution.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| icecast2 | 20.04 LTS focal |
Not affected
|
| 18.04 LTS bionic |
Fixed 2.4.3-2ubuntu0.1
|
|
| 16.04 LTS xenial |
Fixed 2.4.2-1ubuntu0.1
|
|
| 14.04 LTS trusty | Not in release |
Severity score breakdown
CVSS version: CVSS v3.0
Base score
8.1 · High
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H