CVE-2022-4900

6.2 MEDIUM

Published: November 02, 2023 Modified: November 03, 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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://access.redhat.com/security/cve/CVE-2022-4900

Source: secalert@redhat.com

Vendor Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=2179880

Source: secalert@redhat.com

Issue Tracking

https://security.netapp.com/advisory/ntap-20231130-0008/

Source: secalert@redhat.com

Third Party Advisory

https://access.redhat.com/security/cve/CVE-2022-4900

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=2179880

Source: af854a3a-2127-422b-91ae-364da2661108

Issue Tracking

https://lists.debian.org/debian-lts-announce/2024/10/msg00011.html

Source: af854a3a-2127-422b-91ae-364da2661108

https://security.netapp.com/advisory/ntap-20231130-0008/

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

7 reference(s) from NVD

Quick Stats

CVSS v3 Score

6.2 / 10.0

EPSS (Exploit Probability)

0.1%

33th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-119 CWE-787

Affected Vendors

redhat php

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