CVE-2019-9513
Public on 2019-08-13
Modified on 2019-10-09
Description
A flaw was found in HTTP/2. An attacker, using PRIORITY frames to flood the system, could cause excessive CPU usage and starvation of other clients. The largest threat from this vulnerability is to system availability.
Severity
Important
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | nghttp2 | 2019-09-30 | ALAS-2019-1298 | Fixed |
| Amazon Linux 2 - Core | nghttp2 | 2019-10-08 | ALAS2-2019-1298 | Fixed |
| Amazon Linux 1 | nginx | 2019-09-30 | ALAS-2019-1299 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | CVSSv3 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | CVSSv2 | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |