CVE-2025-1218

The mysqlnd wire protocol parser reads fields out of server packets before checking that the packet still holds enough bytes for them. A malicious or compromised MySQL server can send a truncated packet and make the client read past the end of the packet buffer, which is undefined behaviour and can crash the process.

CVSS v3 3.4 LOW

3.4^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.6 / Impact : 1.4

Attack Vector ADJACENT_NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/php/php-src/security/advisories/GHSA-r6x9-5r99-36j7	Vendor Advisory Exploit

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:a:php:php::::::::
	cpe:2.3:a:php:php::::::::
	cpe:2.3:a:php:php::::::::
	cpe:2.3:a:php:php::::::::

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

History

23 Oct 2026, 14:55

Type	Values Removed	Values Added
First Time		Microsoft windows Microsoft Php php Php
CPE		cpe:2.3:a:php:php:::::::: cpe:2.3:o:microsoft:windows:-:::::::*
References	~~() https://github.com/php/php-src/security/advisories/GHSA-r6x9-5r99-36j7 -~~	() https://github.com/php/php-src/security/advisories/GHSA-r6x9-5r99-36j7 - Vendor Advisory, Exploit

14 Oct 2026, 13:10

Type	Values Removed	Values Added
Summary		(es) El analizador del protocolo de conexión de mysqlnd lee campos de los paquetes del servidor antes de verificar que el paquete aún contiene suficientes bytes para ellos. Un servidor MySQL malicioso o comprometido puede enviar un paquete truncado y hacer que el cliente lea más allá del final del búfer del paquete, lo que es un comportamiento indefinido y puede provocar la caída del proceso.

25 Sep 2026, 21:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-25 21:17

Updated : 2026-10-23 14:55

NVD link : CVE-2025-1218

Mitre link : CVE-2025-1218

CVE.ORG link : CVE-2025-1218

JSON object : View

Products Affected

php

php

microsoft

windows

CWE

CWE-122

Heap-based Buffer Overflow

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