SB2026110821 - Ubuntu update for mysql-8.0, mysql-8.4



SB2026110821 - Ubuntu update for mysql-8.0, mysql-8.4

Published: November 8, 2026

Security Bulletin ID SB2026110821
CSH Severity
High
Patch available
YES
Number of vulnerabilities 29
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 7% Medium 31% Low 62%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 29 vulnerabilities.


1) Improper input validation (CVE-ID: CVE-2026-60187)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.9 [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]


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: Replication component in MySQL Cluster. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.


2) Improper input validation (CVE-ID: CVE-2026-46936)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.9 [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]


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: DDL component in MySQL Cluster. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.


3) Improper input validation (CVE-ID: CVE-2026-47012)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.9 [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]


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: Optimizer component in MySQL Cluster. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.


4) Improper input validation (CVE-ID: CVE-2026-47023)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 6.9 [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]


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: Replication component in MySQL Cluster. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.


5) Improper input validation (CVE-ID: CVE-2026-47052)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 6.9 [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]


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 Cluster. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.


6) Improper input validation (CVE-ID: CVE-2026-47064)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 7.1 [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]


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 Cluster. A remote authenticated user can exploit this vulnerability to perform a denial of service (DoS) attack.


7) Improper input validation (CVE-ID: CVE-2026-60145)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 6.9 [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]


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: Optimizer component in MySQL Cluster. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.


8) Improper input validation (CVE-ID: CVE-2026-60163)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.7 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The vulnerability exists due to improper input validation within the Server: Group Replication Plugin component in MySQL Cluster. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.


9) Improper input validation (CVE-ID: CVE-2026-60177)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.9 [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]


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: Clone Plugin component in MySQL Cluster. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.


10) Improper input validation (CVE-ID: CVE-2026-60178)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 7.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote privileged user to execute arbitrary code.

The vulnerability exists due to improper input validation within the Server: Clone Plugin component in MySQL Cluster. A remote privileged user can exploit this vulnerability to execute arbitrary code.


11) Improper input validation (CVE-ID: CVE-2026-60182)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.9 [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]


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: Clone Plugin component in MySQL Cluster. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.


12) Improper input validation (CVE-ID: CVE-2026-60183)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 7.1 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a local privileged user to execute arbitrary code.

The vulnerability exists due to improper input validation within the Server: Clone Plugin component in MySQL Cluster. A local privileged user can exploit this vulnerability to execute arbitrary code.


13) Improper input validation (CVE-ID: CVE-2026-60184)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.9 [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]


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: Replication component in MySQL Cluster. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.


14) Improper input validation (CVE-ID: CVE-2026-60185)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.9 [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]


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: Replication component in MySQL Cluster. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.


15) Improper input validation (CVE-ID: CVE-2026-60186)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.9 [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]


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: Group Replication Plugin component in MySQL Cluster. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.


16) Improper input validation (CVE-ID: CVE-2026-61109)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 7.1 [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]


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: JSON component in MySQL Cluster. A remote authenticated user can exploit this vulnerability to perform a denial of service (DoS) attack.


17) Improper input validation (CVE-ID: CVE-2026-60188)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.9 [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]


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: Replication component in MySQL Cluster. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.


18) Improper input validation (CVE-ID: CVE-2026-60189)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.9 [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]


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: Replication component in MySQL Cluster. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.


19) Improper input validation (CVE-ID: CVE-2026-60190)

CWE-ID: CWE-20 - Improper input validation

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


The vulnerability allows a remote privileged user to perform service disruption.

The vulnerability exists due to improper input validation within the Server: Replication component in MySQL Cluster. A remote privileged user can exploit this vulnerability to perform service disruption.


20) Improper input validation (CVE-ID: CVE-2026-60191)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.6 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


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

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


21) Improper input validation (CVE-ID: CVE-2026-60315)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to access sensitive information or perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: X Plugin component in MySQL Cluster. A remote non-authenticated attacker can exploit this vulnerability to access sensitive information or perform a denial of service (DoS) attack.


22) Improper input validation (CVE-ID: CVE-2026-60316)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote privileged user to execute arbitrary code.

The vulnerability exists due to improper input validation within the Server: X Plugin component in MySQL Cluster. A remote privileged user can exploit this vulnerability to execute arbitrary code.


23) Improper input validation (CVE-ID: CVE-2026-60331)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 7.1 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a local privileged user to execute arbitrary code.

The vulnerability exists due to improper input validation within the Server: Replication component in MySQL Cluster. A local privileged user can exploit this vulnerability to execute arbitrary code.


24) Improper input validation (CVE-ID: CVE-2026-60332)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 7.1 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a local privileged user to execute arbitrary code.

The vulnerability exists due to improper input validation within the Server: Group Replication GCS component in MySQL Cluster. A local privileged user can exploit this vulnerability to execute arbitrary code.


25) Improper input validation (CVE-ID: CVE-2026-60585)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 7.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote privileged user to execute arbitrary code.

The vulnerability exists due to improper input validation within the Server: Replication component in MySQL Cluster. A remote privileged user can exploit this vulnerability to execute arbitrary code.


26) Improper input validation (CVE-ID: CVE-2026-60747)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 6.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a local non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: Replication component in MySQL Cluster. A local non-authenticated attacker can exploit this vulnerability to perform a denial of service (DoS) attack.


27) Improper input validation (CVE-ID: CVE-2026-61081)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote privileged user to gain access to sensitive information.

The vulnerability exists due to improper input validation within the Server: Performance Schema component in MySQL Cluster. A remote privileged user can exploit this vulnerability to gain access to sensitive information.


28) Improper input validation (CVE-ID: CVE-2026-61094)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote privileged user to execute arbitrary code.

The vulnerability exists due to improper input validation within the Server: Replication component in MySQL Cluster. A remote privileged user can exploit this vulnerability to execute arbitrary code.


29) Improper input validation (CVE-ID: CVE-2026-61096)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 2.1 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a local non-authenticated attacker to manipulate data.

The vulnerability exists due to improper input validation within the Server: Pluggable Auth component in MySQL Cluster. A local non-authenticated attacker can exploit this vulnerability to manipulate data.


Remediation

Install update from vendor's website.