CVE-2026-21929
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: Server: Parser). Supported versions that are affected are 9.0.0-9.5.0. Difficult to exploit vulnerability allows low 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 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/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
CVE-2026-21929
EUVD
EUVD-2026-3580
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
oracle mysql_server From 9.0.0 (inc) to 9.5.0 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-NVD-CWE-noinfo
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability exists in the MySQL Server's Parser component for versions 9.0.0 to 9.5.0. It is difficult to exploit but allows a low privileged attacker with network access through multiple protocols to cause the MySQL Server to hang or crash repeatedly, resulting in a denial of service (DoS).


How can this vulnerability impact me? :

The impact of this vulnerability is that an attacker could cause the MySQL Server to become unavailable by making it hang or crash repeatedly, leading to a complete denial of service. This affects the availability of the service but does not compromise confidentiality or integrity.


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