MySQL Server LDAP Auth DoS – 9.0–9.3 Versions
CVE-2025-50103 Published on July 15, 2025
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: LDAP Auth). Supported versions that are affected are 9.0.0-9.3.0. Difficult to exploit 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 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).
Vulnerability Analysis
CVE-2025-50103 can be exploited with network access, and requires user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is a Resource Exhaustion Vulnerability?
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
CVE-2025-50103 has been classified to as a Resource Exhaustion vulnerability or weakness.
Products Associated with CVE-2025-50103
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Affected Versions
Oracle Corporation MySQL Server:- Version 9.0.0, <= 9.3.0 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.