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CVE-2022-4900— Potential buffer overflow in php_cli_server_startup_workers

CVSS 6.2 · Medium EPSS 0.07% · P20
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I. Basic Information for CVE-2022-4900

Vulnerability Information
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Vulnerability Title
Potential buffer overflow in php_cli_server_startup_workers
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
PHP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PHP是一种在服务器端执行的脚本语言。 PHP 存在安全漏洞，该漏洞源于存在缓冲区溢出问题，攻击者利用该漏洞可以触发内存损坏并在目标系统上执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
-php 8.0.22 -
Red HatRed Hat Enterprise Linux 6-cpe:/o:redhat:enterprise_linux:6
Red HatRed Hat Enterprise Linux 7-cpe:/o:redhat:enterprise_linux:7
Red HatRed Hat Enterprise Linux 8-cpe:/o:redhat:enterprise_linux:8
Red HatRed Hat Enterprise Linux 8-cpe:/o:redhat:enterprise_linux:8
Red HatRed Hat Enterprise Linux 9-cpe:/o:redhat:enterprise_linux:9
Red HatRed Hat Enterprise Linux 9-cpe:/o:redhat:enterprise_linux:9
Red HatRed Hat Software Collections-cpe:/a:redhat:rhel_software_collections:3
FedoraFedora--

II. Public POCs for CVE-2022-4900

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III. Intelligence Information for CVE-2022-4900

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Same Patch Batch · n/a · 2023-11-02 · 29 CVEs total

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Showing top 20 of 29 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: php
Same vendor: n/a
Same weakness: CWE-119

V. Comments for CVE-2022-4900

Anonymous User
2026-01-22 08:31:40

漏洞poc?

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