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).
Conclusion & alert: CVE-2025-50103 is rated Low Risk (29.1/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.41%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.30% | 0.41% | +0.11% |
| 2 | 2026-05-11 | 0.05% | 0.30% | +0.25% |
| 3 | 2026-03-20 | — | 0.05% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.4 | 3.1 | MEDIUM |
|
0.7 | 3.6 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2025-50103 unimportant priority: Debian including 1 source packages (mysql-8.0), 1 status rows across 1 suites (sid): resolved 1. | https://security-tracker.debian.org/tracker/CVE-2025-50103 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2025-50103 |
ubuntu
|
medium | CVE-2025-50103 medium priority: Ubuntu including 11 source packages (mariadb, mariadb-10.0, …), 64 status rows across 9 suites (bionic, focal, jammy, noble, plucky, questing, trusty, upstream, xenial): DNE 36, not-affected 18, needs-triage 6, ignored 4. | https://ubuntu.com/security/CVE-2025-50103 |
| URL | Tags |
|---|---|
| https://www.oracle.com/security-alerts/cpujul2025.html | Vendor Advisory |