CVE-2022-4900

Potential buffer overflow in php_cli_server_startup_workers

Published Nov 2, 2023 CVSS 3.1 · 6.2 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3920-1 php7.4 security update
EUVD EUVD EUVD-2022-52156 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.
Ubuntu USN Ubuntu USN USN-6757-1 PHP vulnerabilities
Ubuntu USN Ubuntu USN USN-6757-2 PHP vulnerabilities
History
Type Values Removed Values Added
CPEs cpe:2.3:a:php:php:-:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.4.0:-:*:*:*:*:*:*
cpe:2.3:a:php:php:8.0.0:-:*:*:*:*:*:*
cpe:2.3:a:php:php:8.1.0:-:*:*:*:*:*:*
cpe:2.3:o:redhat:linux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:linux:9.0:*:*:*:*:*:*:*
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
Vendors & Products Redhat linux
Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Nov 3, 2025, 9:46 PM
Reserved
Jan 31, 2023, 10:50 AM
Status
Modified
Published
Nov 2, 2023, 4:15 PM
Modified
Jun 17, 2026, 5:22 AM
Severity
Low
Public date
Jul 13, 2022, 12:00 AM