CVE-2022-4900

Public on 2023-03-20
Modified on 2024-01-31
Description
There is a potential buffer overflow in the PHP built-in web server - setting the environment variable PHP_CLI_SERVER_WORKERS to a large value can lead to a heap buffer overflow.
Severity
Medium severity
Medium
CVSS v3 Base Score
6.2
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core php Not Affected
Amazon Linux 2 - Php8.1 Extra php Not Affected
Amazon Linux 2 - Php8.0 Extra php 2024-02-01 ALAS2PHP8.0-2024-010 Fixed
Amazon Linux 1 php56 Not Affected
Amazon Linux 2023 php8.1 Not Affected
Amazon Linux 2023 php8.2 Not Affected

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv3 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H