CVE-2025-14181
Medium
Description
The SOAP HTTP client guards its response buffer growth with a check that relies on signed integer overflow, which is undefined behaviour and is not guaranteed to trigger. When the check is optimised away, a malicious SOAP server can make the client allocate a buffer far smaller than the data it then writes into it, producing a heap buffer overflow.
SeverityMedium
CVSS6.5
Exploit probability24. percentile0.3%
Product
Php
PublishedSep 25, 2026
First seenSep 25, 2026
Weakness typeCWE-190Integer overflow
How to fix
Update
- php php8.2.34, 8.3.35, 8.4.26, 8.5.11 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| php php | 8.2.0 ≤ v < 8.2.34, 8.3.0 ≤ v < 8.3.35, 8.4.0 ≤ v < 8.4.26, 8.5.0 ≤ v < 8.5.11 | 8.2.34, 8.3.35, 8.4.26, 8.5.11 |
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