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CVE-2025-1218 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.9 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CNA: [email protected]CVSS-B:3.4 LOWVector:CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/php/php-src/security/advisories/GHSA-r6x9-5r99-36j7	[email protected]	Vendor AdvisoryExploit

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-122	Heap-based Buffer Overflow	[email protected]

Affected Products

Product	Versions
php php	>= 8.2.0, < 8.2.34 >= 8.3.0, < 8.3.35 >= 8.4.0, < 8.4.26 >= 8.5.0, < 8.5.11
CPE cpe:2.3:a:php:php:::::::: Remediation No remediation found in references.
microsoft windows	All versions
CPE cpe:2.3:o:microsoft:windows:-:::::::* Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Oct 23, 2026	Initial Analysis	[email protected]
Oct 14, 2026	CVE Translated	[email protected]
Sep 28, 2026	CVE Modified	CISA-ADP
Sep 25, 2026	New CVE Received	[email protected]