CVE-2018-16844
Published: 6 November 2018
nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive CPU usage. This issue affects nginx compiled with the ngx_http_v2_module (not compiled by default) if the 'http2' option of the 'listen' directive is used in a configuration file.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
nginx Launchpad, Ubuntu, Debian |
bionic |
Released
(1.14.0-0ubuntu1.2)
|
| cosmic |
Released
(1.15.5-0ubuntu2.1)
|
|
| trusty |
Not vulnerable
(code not present)
|
|
| upstream |
Released
(1.15.6)
|
|
| xenial |
Released
(1.10.3-0ubuntu0.16.04.3)
|
|
|
Patches: upstream: http://hg.nginx.org/nginx/rev/e7f19d268c72 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |