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4.9

Exploiting MySQL Server Crashes with High Privilege Access

CVE-2025-50094 · published 1 year ago
Summary

An attacker with high-level access to your MySQL Server can cause it to freeze or crash repeatedly, potentially disrupting your business. This issue affects MySQL Server versions 8.0.42, 8.4.5, and 9.3.0. To protect your server, apply the latest updates or patches as soon as possible.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
oracle mysql 8.0.42
8.4.5
9.3.0
cpe:2.3:a:oracle:mysql:8.0.42:*:*:*:*:*:*:*
Original advisory text
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DDL). Supported versions that are affected are 8.0.42, 8.4.5 and 9.3.0. Easily exploitable vulnerability allows high ...
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DDL). Supported versions that are affected are 8.0.42, 8.4.5 and 9.3.0. 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
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
4.9 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-400Uncontrolled Resource Consumption
Timeline
Published15 Jul 2025
Updated4 Nov 2026
First seen7 Mar 2026
Sources
CVE-2025-50094 · NVD
CVE-2025-50094 · OSV
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