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CVE-2022-4900

php: potential buffer overflow in php_cli_server_startup_workers

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Severity

Low

Red Hat Product Security

6.2

CVSS 3.1

Review impact separately from score.

Published · July 13, 2022

Updated · November 21, 2025

Description

A vulnerability was found in PHP where setting the environment variable PHP_CLI_SERVER_WORKERS to a large value leads to a heap buffer overflow.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.2
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-787 · Out-of-bounds Write