Ubuntu update for mysql-8.0



Risk Medium
Patch available YES
Number of vulnerabilities 15
CVE-ID CVE-2025-21540
CVE-2025-21559
CVE-2025-21522
CVE-2025-21523
CVE-2025-21555
CVE-2025-21501
CVE-2025-21503
CVE-2025-21529
CVE-2025-21490
CVE-2025-21519
CVE-2025-21500
CVE-2025-21491
CVE-2025-21497
CVE-2025-21505
CVE-2025-21546
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Ubuntu
Operating systems & Components / Operating system

mysql-server-8.0 (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 15 vulnerabilities.

1) Improper input validation

EUVDB-ID: #VU103185

Risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-21540

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to read and manipulate data.

The vulnerability exists due to improper input validation within the Server: Security: Privileges component in MySQL Server. A remote authenticated user can exploit this vulnerability to read and manipulate data.

Mitigation

Update the affected package mysql-8.0 to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 24.10

mysql-server-8.0 (Ubuntu package): before 8.0.41-0ubuntu0.20.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7245-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Improper input validation

EUVDB-ID: #VU103184

Risk: Medium

CVSSv4.0: 4.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-21559

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to damange or delete data.

The vulnerability exists due to improper input validation within the InnoDB component in MySQL Server. A remote privileged user can exploit this vulnerability to damange or delete data.

Mitigation

Update the affected package mysql-8.0 to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 24.10

mysql-server-8.0 (Ubuntu package): before 8.0.41-0ubuntu0.20.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7245-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Improper input validation

EUVDB-ID: #VU103180

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-21522

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: Parser component in MySQL Server. A remote authenticated user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-8.0 to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 24.10

mysql-server-8.0 (Ubuntu package): before 8.0.41-0ubuntu0.20.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7245-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Improper input validation

EUVDB-ID: #VU103191

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-21523

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the InnoDB component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-8.0 to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 24.10

mysql-server-8.0 (Ubuntu package): before 8.0.41-0ubuntu0.20.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7245-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Improper input validation

EUVDB-ID: #VU103183

Risk: Medium

CVSSv4.0: 4.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-21555

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to damange or delete data.

The vulnerability exists due to improper input validation within the InnoDB component in MySQL Server. A remote privileged user can exploit this vulnerability to damange or delete data.

Mitigation

Update the affected package mysql-8.0 to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 24.10

mysql-server-8.0 (Ubuntu package): before 8.0.41-0ubuntu0.20.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7245-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Improper input validation

EUVDB-ID: #VU103178

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-21501

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: Optimizer component in MySQL Server. A remote authenticated user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-8.0 to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 24.10

mysql-server-8.0 (Ubuntu package): before 8.0.41-0ubuntu0.20.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7245-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Improper input validation

EUVDB-ID: #VU103190

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-21503

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the InnoDB component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-8.0 to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 24.10

mysql-server-8.0 (Ubuntu package): before 8.0.41-0ubuntu0.20.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7245-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Improper input validation

EUVDB-ID: #VU103195

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-21529

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: Information Schema component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-8.0 to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 24.10

mysql-server-8.0 (Ubuntu package): before 8.0.41-0ubuntu0.20.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7245-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

9) Improper input validation

EUVDB-ID: #VU103188

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-21490

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the InnoDB component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-8.0 to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 24.10

mysql-server-8.0 (Ubuntu package): before 8.0.41-0ubuntu0.20.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7245-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

10) Improper input validation

EUVDB-ID: #VU103202

Risk: Low

CVSSv4.0: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-21519

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: Security: Privileges component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-8.0 to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 24.10

mysql-server-8.0 (Ubuntu package): before 8.0.41-0ubuntu0.20.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7245-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

11) Improper input validation

EUVDB-ID: #VU103177

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-21500

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: Optimizer component in MySQL Server. A remote authenticated user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-8.0 to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 24.10

mysql-server-8.0 (Ubuntu package): before 8.0.41-0ubuntu0.20.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7245-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

12) Improper input validation

EUVDB-ID: #VU103189

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-21491

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the InnoDB component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-8.0 to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 24.10

mysql-server-8.0 (Ubuntu package): before 8.0.41-0ubuntu0.20.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7245-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

13) Improper input validation

EUVDB-ID: #VU103182

Risk: Medium

CVSSv4.0: 4.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-21497

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to damange or delete data.

The vulnerability exists due to improper input validation within the InnoDB component in MySQL Server. A remote privileged user can exploit this vulnerability to damange or delete data.

Mitigation

Update the affected package mysql-8.0 to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 24.10

mysql-server-8.0 (Ubuntu package): before 8.0.41-0ubuntu0.20.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7245-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

14) Improper input validation

EUVDB-ID: #VU103192

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-21505

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: Components Services component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-8.0 to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 24.10

mysql-server-8.0 (Ubuntu package): before 8.0.41-0ubuntu0.20.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7245-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

15) Improper input validation

EUVDB-ID: #VU103205

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-21546

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to read and manipulate data.

The vulnerability exists due to improper input validation within the Server: Security: Privileges component in MySQL Server. A remote privileged user can exploit this vulnerability to read and manipulate data.

Mitigation

Update the affected package mysql-8.0 to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 24.10

mysql-server-8.0 (Ubuntu package): before 8.0.41-0ubuntu0.20.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7245-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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