CVE-2019-9513

Public on 2019-09-30
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
7.5
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 nghttp2 2019-10-08 21:43 ALAS2-2019-1298
Amazon Linux 1 nghttp2 2019-09-30 21:03 ALAS-2019-1298
Amazon Linux 1 nginx 2019-09-30 21:06 ALAS-2019-1299

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 CVSSv2 7.8 AV:N/AC:L/Au:N/C:N/I:N/A:C
NVD CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H