Use-after-free in PHP - #VU100666
Published: November 19, 2024 / Updated: June 4, 2025
Vulnerability identifier: #VU100666
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the sapi_read_post_data in CLI SAPI interface. A remote attacker can pass specially crafted response to the application and execute arbitrary code on the system.
Affected software
PHP
Fedora
php
Fedora
php
Remediation
Install updates from vendor's website.
PHP - addressed in versions 8.1.31, 8.2.26, 8.3.14
php - addressed in versions 8.3.14-1.fc40, 8.3.14-1.fc41
php - addressed in versions 8.3.14-1.fc40, 8.3.14-1.fc41