CVE-2025-21543
First published: Tue Jan 21 2025(Updated: )
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Packaging). Supported versions that are affected are 8.0.40 and prior, 8.4.3 and prior and 9.1.0 and prior. 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).
Credit: secalert_us@oracle.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| MySQL | <8.0.40<8.4.3<9.1.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-21543?
CVE-2025-21543 is classified as an easily exploitable vulnerability that poses a high risk.
How do I fix CVE-2025-21543?
To address CVE-2025-21543, upgrade your MySQL Server to version 8.0.41, 8.4.4, or 9.1.1 or later.
Which versions of MySQL Server are affected by CVE-2025-21543?
CVE-2025-21543 affects MySQL Server versions 8.0.40 and prior, 8.4.3 and prior, and 9.1.0 and prior.
Can CVE-2025-21543 be exploited remotely?
Yes, CVE-2025-21543 can be exploited remotely by high privileged attackers with network access.
What component of MySQL Server is impacted by CVE-2025-21543?
CVE-2025-21543 impacts the Server: Packaging component of Oracle MySQL.
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