Memory leak in PHP - CVE-2025-14177

 

Memory leak in PHP - CVE-2025-14177

Published: December 23, 2025 / Updated: May 22, 2026


Vulnerability identifier: #VU120272
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2025-14177
CWE-ID: CWE-401
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: PHP Group
Affected software:
PHP

Detailed vulnerability description

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in getimagesize. A remote attacker can force the application to leak memory and perform denial of service attack.


How to mitigate CVE-2025-14177

Install updates from vendor's website.

Sources