Related Vulnerabilities: CVE-2021-21708  

A flaw was found in PHP. The vulnerability occurs due to the malformed php_filter_float() function and leads to a use-after-free vulnerability. This flaw allows an attacker to inject a malicious file, leading to a crash or a Segmentation fault.

Severity Critical

Remote Yes

Type Arbitrary file upload

Description

A flaw was found in PHP. The vulnerability occurs due to the malformed php_filter_float() function and leads to a use-after-free vulnerability. This flaw allows an attacker to inject a malicious file, leading to a crash or a Segmentation fault.

AVG-2695 php 8.1.3-1 8.1.4-1 Critical Not affected

https://bugs.php.net/bug.php?id=81708