SB2025012218 - Multiple vulnerabilities in MySQL Cluster

Security Bulletin ID SB2025012218

Severity

Medium

Patch available

YES

Number of vulnerabilities 4

Exploitation vector Remote access

Highest impact Denial of service

Breakdown by Severity

Low
Medium
High
Critical

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Improper input validation (CVE-ID: CVE-2025-21520)

The vulnerability allows a local privileged user to gain access to sensitive information.

The vulnerability exists due to improper input validation within the Server: Options component in MySQL Server. A local privileged user can exploit this vulnerability to gain access to sensitive information.

2) Improper input validation (CVE-ID: CVE-2025-21543)

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: Packaging component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

3) Improper input validation (CVE-ID: CVE-2025-21531)

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the InnoDB component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

4) Improper input validation (CVE-ID: CVE-2025-21518)

The vulnerability allows a remote authenticated user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: Optimizer component in MySQL Server. A remote authenticated user can exploit this vulnerability to perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

https://www.oracle.com/security-alerts/cpujan2025.html?62368