CVE-2025-53040

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.43, 8.4.0-8.4.6 and 9.0.0-9.4.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

References

https://www.oracle.com/security-alerts/cpuoct2025.html

Affected packages

Git / github.com/mysql/mysql-server

Affected ranges

Type

GIT

Repo

https://github.com/mysql/mysql-server

Events

Introduced

270fd3411e3d671a73ed9725940a30080f59ce6d

Last affected

2d6d5e10436a8f2b58d37af737c2a3e45855d0b7

Introduced

dc86e412f18b36ce271f791026714e8caa0ec919

Last affected

3f821bcb4ee93cd90c0ffa0f8e17bb9677502acf

Introduced

527c12ed611f3fe072c3043734319edb2c733099

Last affected

b79ac1111737174c1b36ab5f63275f0191c000dc

Database specific

{
    "versions": [
        {
            "introduced": "8.0.0"
        },
        {
            "last_affected": "8.0.43"
        },
        {
            "introduced": "8.4.0"
        },
        {
            "last_affected": "8.4.6"
        },
        {
            "introduced": "9.0.0"
        },
        {
            "last_affected": "9.4.0"
        }
    ]
}

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-53040.json"