CVE-2025-1218
Various packet overreads in mysqlnd_writeprotocol.c
- State
- Published
- Severity
- 3.4 Low
- Published
- Sep 25, 2026
- Updated
- Sep 28, 2026
- Reserved
- Feb 11, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 3.4 Low | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N | php |
Weaknesses
- CWE-122 Heap-based buffer overflow
Affected Products
| Product | Versions |
|---|---|
PHPPHP Group |
|
References
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