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4.9

Oracle MySQL Server Crashes or Hangs with High-Privilege Attack

CVE-2025-50077 · published 1 year ago
Summary

Some versions of Oracle MySQL Server are vulnerable to a bug that could allow an attacker with high-level access to crash or freeze the server. This could cause downtime for your business. To fix this, update your MySQL Server to a non-affected version or apply a patch 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 >= 8.0.0, <= 8.0.42
>= 8.4.0, <= 8.4.5
>= 9.0.0, <= 9.3.0
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
Original advisory text
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.0-8.0.42, 8.4.0-8.4.5 and 9.0.0-9.3.0. Easily exploitable vulnerability...
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.0-8.0.42, 8.4.0-8.4.5 and 9.0.0-9.3.0. 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-2025-50077 · NVD
CVE-2025-50077 · OSV
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