CVE-2022-4900

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 v3 6.2 MEDIUM

6.2^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.5 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/security/cve/CVE-2022-4900	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2179880	Issue Tracking
https://security.netapp.com/advisory/ntap-20231130-0008/	Third Party Advisory
https://access.redhat.com/security/cve/CVE-2022-4900	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2179880	Issue Tracking
https://lists.debian.org/debian-lts-announce/2024/10/msg00011.html
https://security.netapp.com/advisory/ntap-20231130-0008/	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:php:php:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:a:redhat:software_collections:-:::::::*
	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:::::::*

History

03 Nov 2025, 22:16

Type	Values Removed	Values Added
References		() https://lists.debian.org/debian-lts-announce/2024/10/msg00011.html -

Information

Published : 2023-11-02 16:15

Updated : 2025-11-03 22:16

NVD link : CVE-2022-4900

Mitre link : CVE-2022-4900

CVE.ORG link : CVE-2022-4900

JSON object : View

Products Affected

redhat

enterprise_linux
software_collections

php

php

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-787

Out-of-bounds Write

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