CVE-2025-1218

Low

Description

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.

SeverityLow

CVSS3.4

Exploit probability—

Product

Php

PublishedSep 25, 2026

First seenSep 25, 2026

Weakness typeCWE-122CWE-122

How to fix

Update

php php8.2.34, 8.3.35, 8.4.26, 8.5.11 or later

Vendor advisories

github.com/php/php-src/security/advisories/GHSA-r6x9-5r99-36j7

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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