CVE-2016-1546
Publication date 6 July 2016
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
The Apache HTTP Server 2.4.17 and 2.4.18, when mod_http2 is enabled, does not limit the number of simultaneous stream workers for a single HTTP/2 connection, which allows remote attackers to cause a denial of service (stream-processing outage) via modified flow-control windows.
Status
Package | Ubuntu Release | Status |
---|---|---|
apache2 | 16.04 LTS xenial |
Not affected
|
14.04 LTS trusty |
Not affected
|
|
Notes
Patch details
Package | Patch details |
---|---|
apache2 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.9 · Medium |
Attack vector | Network |
Attack complexity | High |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |