CVE-2022-31627

PoC —

CVSS 3.1

9.8 critical

EPSS

2%p80

Published

Jul 28, 2022 (Jul 28, 2022)

Modified

Jun 17, 2026

Description

In PHP versions 8.1.x below 8.1.8, when fileinfo functions, such as finfo_buffer, due to incorrect patch applied to the third party code from libmagic, incorrect function may be used to free allocated memory, which may lead to heap corruption.

Vendors: php
Products: php
Weakness: CWE-590, CWE-787
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (2.0%)

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