CVE-2026-21936
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2026-01-20

Last updated on: 2026-01-29

Assigner: Oracle

Description
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.0-8.0.44, 8.4.0-8.4.7 and 9.0.0-9.5.0. 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).
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Meta Information
Published
2026-01-20
Last Modified
2026-01-29
Generated
2026-05-07
AI Q&A
2026-01-21
EPSS Evaluated
2026-05-05
NVD
EUVD
Affected Vendors & Products
Showing 7 associated CPEs
Vendor Product Version / Range
oracle mysql_cluster From 7.6.0 (inc) to 7.6.36 (inc)
oracle mysql_cluster From 8.0.0 (inc) to 8.0.44 (inc)
oracle mysql_cluster From 8.4.0 (inc) to 8.4.7 (inc)
oracle mysql_cluster From 9.0.0 (inc) to 9.5.0 (inc)
oracle mysql_server From 8.0.0 (inc) to 8.0.44 (inc)
oracle mysql_server From 8.4.0 (inc) to 8.4.7 (inc)
oracle mysql_server From 9.0.0 (inc) to 9.5.0 (inc)
Helpful Resources
Exploitability
CWE
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CWE ID Description
CWE-NVD-CWE-noinfo
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AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability exists in the MySQL Server product of Oracle MySQL, specifically in the InnoDB component. It affects supported versions 8.0.0-8.0.44, 8.4.0-8.4.7, and 9.0.0-9.5.0. It is easily exploitable by a high privileged attacker with network access via multiple protocols. The attacker can compromise the MySQL Server by causing it to hang or crash repeatedly, resulting in a denial of service (DoS).


How can this vulnerability impact me? :

The vulnerability can impact you by allowing a high privileged attacker with network access to cause the MySQL Server to hang or crash repeatedly. This leads to a complete denial of service (DoS), making the database unavailable and potentially disrupting applications and services that rely on it.


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