CVE-2025-14180
High
Description
In PHP versions 8.1.* before 8.1.34, 8.2.* before 8.2.30, 8.3.* before 8.3.29, 8.4.* before 8.4.16, 8.5.* before 8.5.1 when using the PDO PostgreSQL driver with PDO::ATTR_EMULATE_PREPARES enabled, an invalid character sequence (such as \x99) in a prepared statement parameter may cause the quoting function PQescapeStringConn to return NULL, leading to a null pointer dereference in pdo_parse_params() function. This may lead to crashes (segmentation fault) and affect the availability of the target server.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Php
PublishedDec 27, 2025
First seenDec 27, 2025
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- php php8.1.34, 8.2.30, 8.3.29, 8.4.16, 8.5.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| php php | 8.1.0 ≤ v < 8.1.34, 8.2.0 ≤ v < 8.2.30, 8.3.0 ≤ v < 8.3.29, 8.4.0 ≤ v < 8.4.16, 8.5.0 ≤ v < 8.5.1 | 8.1.34, 8.2.30, 8.3.29, 8.4.16, 8.5.1 |
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