CVE-2021-31618
Public on 2021-06-15
Modified on 2021-07-01
Description
A null pointer de-reference was found in the way httpd handled specially crafted HTTP/2 request. A remote attacker could use this flaw to crash the httpd child process, causing temporary denial of service.
Severity
Important
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Core | httpd | 2021-06-24 | ALAS2-2021-1672 | Fixed |
| Amazon Linux 2 - Core | mod_http2 | 2021-07-01 | ALAS2-2021-1678 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | CVSSv2 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| NVD | CVSSv3 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |