## https://sploitus.com/exploit?id=B3FC4FAD-E184-53D3-A7D8-E49C7B4DF82C
# CVE-2025-14177 โ PHP `getimagesize()` Heap Memory Leak
> **For authorized penetration testing and security research only.**
## Vulnerability
| Field | Value |
|---|---|
| CVE | CVE-2025-14177 |
| CWE | CWE-524 (Use of Uninitialized Resource) |
| Severity | MODERATE โ CVSS 6.3 |
| Root cause | `php_read_stream_all_chunks()` writes successive chunks to `buffer[0]`, overwriting previous data with uninitialized heap memory |
### Affected versions
- PHP 8192 bytes)
- Unusual memory patterns in `$info` array
- Repeated `getimagesize()` calls with `php://filter` wrappers
- Hex-encoded data exfiltration in responses
---
## Remediation
Upgrade PHP to patched version. No workaround โ patch required.
```bash
php -v # verify version
```
If upgrade blocked: strip `APP1` from `$info` before returning to client, or disable `php://filter` in `allow_url_fopen`.
---
## Disclaimer
This tool is for **authorized security testing only**. Unauthorized use against systems you do not own or have explicit written permission to test is illegal.