Improper input validation in MySQL Server - CVE-2025-50103

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Main Vulnerability Database Vulnerabilities #VU112970

Improper input validation in MySQL Server - CVE-2025-50103

Published: July 16, 2025


Vulnerability identifier: #VU112970
CSH Severity: Low
CVSS v4: 5.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-50103
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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: Security: LDAP Auth component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.


Affected software

MySQL Server
Guardium Data Protection

How to mitigate CVE-2025-50103

Install updates from vendor's website.

Guardium Data Protection - update to 11.0p575

External References

Related Security Bulletins