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.
History

Fri, 23 Oct 2026 15:15:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft
Microsoft windows
Php
Php php
CPEs cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows
Php
Php php

Mon, 28 Sep 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sat, 26 Sep 2026 08:45:00 +0000

Type Values Removed Values Added
First Time appeared Php Group
Php Group php
Vendors & Products Php Group
Php Group php

Sat, 26 Sep 2026 00:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-125
References
Metrics threat_severity

None

threat_severity

Low


Fri, 25 Sep 2026 21:00:00 +0000

Type Values Removed Values Added
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.
Title Various packet overreads in mysqlnd_writeprotocol.c
Weaknesses CWE-122
References
Metrics cvssV3_1

{'score': 3.4, 'vector': 'CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: php

Published: 2026-09-25T20:48:21.777Z

Updated: 2026-09-28T13:31:31.774Z

Reserved: 2025-02-11T04:49:52.603Z

Link: CVE-2025-1218

cve-icon Vulnrichment

Updated: 2026-09-28T13:24:46.726Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-25T21:17:20.993

Modified: 2026-10-23T14:55:37.780

Link: CVE-2025-1218

cve-icon Redhat

Severity : Low

Publid Date: 2026-09-25T20:48:21Z

Links: CVE-2025-1218 - Bugzilla