CVE-2025-21575: Medium severity Oracle MySQL Server vulnerability

Published Apr 15, 2025
·
Updated

Last updated 5 May 2025

Other sources

Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.7.32 and prior and 8.0.22 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Client. CVSS 3.1 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).

— Microsoft

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Parser). Supported versions that are affected are 8.0.0-8.0.41, 8.4.0-8.4.4 and 9.0.0-9.2.0. Easily exploitable 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 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

— Debian

Affected Software

15 affected componentsFixes available
Oracle MySQL Server>=8.0.0<=8.0.41
Oracle MySQL Server>=8.4.0<=8.4.4
Oracle MySQL Server>=9.0.0<=9.2.0
debian/mysql-8.0
8.0.42-1
Oracle MySQL Cluster>=7.6.0<=7.6.33
Oracle MySQL Cluster>=8.0.0<=8.0.41
Oracle MySQL Cluster>=8.4.0<=8.4.4
Oracle MySQL Cluster>=9.0.0<=9.2.0
Oracle MySQL Server>=8.0.0<=8.0.41
Oracle MySQL Server>=8.4.0<=8.4.4
Oracle MySQL Server>=9.0.0<=9.2.0
Microsoft cbl2 mysql 8.0.41-1<8.0.42-1
8.0.42-1
Microsoft azl3 mysql 8.0.42-1<8.0.42-1
8.0.42-1
Microsoft azl3 mysql 8.0.41-1<8.0.42-1
8.0.42-1
Microsoft cbl2 mysql 8.0.42-1<8.0.42-1
8.0.42-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/mysql-8.0 to a version that resolves this vulnerability.

    Fixed in 8.0.42-1
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 8.0.42-1
  3. Upgrade

    Upgrade Oracle MySQL (MySQL Client) - C API to a version that resolves this vulnerability.

    Fixed in 8.0.22
  4. Upgrade

    Upgrade Oracle MySQL (MySQL Client) - C API to a version that resolves this vulnerability.

    Fixed in 5.7.32
  5. Upgrade

    Upgrade Oracle MySQL (MySQL Server) - Server: Parser to a version that resolves this vulnerability.

    Fixed in 8.0.22
  6. Upgrade

    Upgrade Oracle MySQL (MySQL Server) - Server: Parser to a version that resolves this vulnerability.

    Fixed in 5.7.32
  7. Upgrade

    Upgrade Oracle MySQL (MySQL Server) - Server: Parser to a version that resolves this vulnerability.

    Fixed in 8.4.0-8.4.4
  8. Upgrade

    Upgrade Oracle MySQL (MySQL Server) - Server: Parser to a version that resolves this vulnerability.

    Fixed in 9.0.0-9.2.0
  9. Upgrade

    Upgrade Oracle MySQL (MySQL Server) - Server: Parser to a version that resolves this vulnerability.

    Fixed in 8.0.0-8.0.41
  10. Upgrade

    Upgrade Oracle MySQL (MySQL Client) - C API to a version that resolves this vulnerability.

    Fixed in 8.4.0-8.4.4
  11. Upgrade

    Upgrade Oracle MySQL (MySQL Client) - C API to a version that resolves this vulnerability.

    Fixed in 9.0.0-9.2.0
  12. Upgrade

    Upgrade Oracle MySQL (MySQL Client) - C API to a version that resolves this vulnerability.

    Fixed in 8.0.0-8.0.41

Event History

Apr 15, 2025
CVE Published
via MITRE·08:30 PM
Data Sourced
via MITRE·08:30 PM
DescriptionSeverity
Data Sourced
via Red Hat·09:03 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·09:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
May 6, 2025
Data Sourced
via Ubuntu·12:07 AM
RemedyDescriptionSeverityAffected Software
Jun 23, 2025
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
SeverityAffected Software
Updated
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
DescriptionSeverity

Frequently Asked Questions

1

What is the severity of CVE-2025-21575?

CVE-2025-21575 is considered an easily exploitable vulnerability that affects multiple versions of MySQL Server.

2

Who is affected by CVE-2025-21575?

CVE-2025-21575 affects users of MySQL Server versions 8.0.0-8.0.41, 8.4.0-8.4.4, and 9.0.0-9.2.0.

3

How do I fix CVE-2025-21575?

Fix CVE-2025-21575 by upgrading to the latest patched version of MySQL Server as recommended by Oracle.

4

What type of attacker can exploit CVE-2025-21575?

CVE-2025-21575 can be exploited by a low privileged attacker with network access using multiple protocols.

5

What component of MySQL Server is affected by CVE-2025-21575?

CVE-2025-21575 specifically affects the Parser component of the MySQL Server.

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