PT-2026-34091

Name of the Vulnerable Software and Affected Versions MySQL Server versions 8.0.0 through 8.0.45 Description An issue exists in the Server: Optimizer component of Oracle MySQL. A high-privileged attacker with network access via multiple protocols can exploit this flaw to cause a hang or frequentl...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the Optimizer component. An attacker can cause the server to hang or crash repeatedly by sending specially crafted requests over the network. Remediation Upgrade libmysqlclient to...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the Optimizer component. An attacker can cause the server to hang or crash repeatedly by sending crafted requests over the network while authenticated with high privileges...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the Optimizer. Remediation Upgrade libmysqlclient to version 8.1.0 or higher. References - Oracle Security Advisory - Red Hat Bugzilla Bug...

AlmaLinux 8 : mysql:8.4 (ALSA-2026:6391)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:6391 advisory. mysql: Optimizer unspecified vulnerability CPU Jan 2026 CVE-2026-21941 mysql: Optimizer unspecified vulnerability CPU Jan 2026 CVE-2026-21948 mysql: InnoD...

AlmaLinux 8 : mariadb:10.11 (ALSA-2026:6435)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:6435 advisory. mysql: High Privilege Denial of Service Vulnerability in MySQL Server CVE-2025-21490 mariadb: MariaDB Server Crash Due to Empty Backtrace Log CVE-2023-529...

MiracleLinux 8 : mariadb:10.11 (AXSA:2026-413:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-413:01 advisory. mysql: High Privilege Denial of Service Vulnerability in MySQL Server CVE-2025-21490 mariadb: MariaDB Server Crash Due to Empty Backtrace Log...

mysql:8.4 security update

An update is available for mecab-ipadic, module.mecab-ipadic, module.mysql, module.mecab, mysql, mecab. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list MySQL is ...

RLSA-2026:6391 Moderate: mysql:8.4 security update

MySQL is a multi-user, multi-threaded SQL database server. It consists of the MySQL server daemon mysqld and many client programs and libraries. Security Fixes: mysql: Optimizer unspecified vulnerability CPU Jan 2026 CVE-2026-21941 mysql: Optimizer unspecified vulnerability CPU Jan 2026...

ALSA-2026:6435 Moderate: mariadb:10.11 security update

MariaDB is a multi-user, multi-threaded SQL database server that is binary compatible with MySQL. Security Fixes: mysql: High Privilege Denial of Service Vulnerability in MySQL Server CVE-2025-21490 mariadb: MariaDB Server Crash Due to Empty Backtrace Log CVE-2023-52969 mariadb: MariaDB Server...

RHEL 8 : mariadb:10.11 (RHSA-2026:6435)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:6435 advisory. MariaDB is a multi-user, multi-threaded SQL database server that is binary compatible with MySQL. Security Fixes: mysql: High Privilege Deni...

mysql: Optimizer unspecified vulnerability (CPU Jan 2026)

Oracle CPU describes the issue as following: Vulnerability in the MySQL Server product of Oracle MySQL component: Server: Optimizer. Supported versions that are affected are 8.0.0-8.0.44, 8.4.0-8.4.7 and 9.0.0-9.5.0. Easily exploitable vulnerability allows high privileged attacker with network...

mysql: Optimizer unspecified vulnerability (CPU Jan 2026)

Oracle CPU describes the issue as following: Vulnerability in the MySQL Server product of Oracle MySQL component: Server: Optimizer. Supported versions that are affected are 8.0.0-8.0.44, 8.4.0-8.4.7 and 9.0.0-9.5.0. Easily exploitable vulnerability allows high privileged attacker with network...

mysql: Optimizer unspecified vulnerability (CPU Jan 2026)

Oracle CPU describes the issue as following: Vulnerability in the MySQL Server product of Oracle MySQL component: Server: Optimizer. Supported versions that are affected are 8.0.0-8.0.44, 8.4.0-8.4.7 and 9.0.0-9.5.0. Easily exploitable vulnerability allows low privileged attacker with network...

Moderate: mysql:8.4 security update

MySQL is a multi-user, multi-threaded SQL database server. It consists of the MySQL server daemon mysqld and many client programs and libraries. Security Fixes: mysql: Optimizer unspecified vulnerability CPU Jan 2026 CVE-2026-21941 mysql: Optimizer unspecified vulnerability CPU Jan 2026...

MiracleLinux 9 : mysql:8.4 (AXSA:2026-378:01)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-378:01 advisory. mysql: Optimizer unspecified vulnerability CPU Jan 2026 CVE-2026-21941 mysql: Optimizer unspecified vulnerability CPU Jan 2026 CVE-2026-21948 mysql:...

ALSA-2026:6391 Moderate: mysql:8.4 security update

MySQL is a multi-user, multi-threaded SQL database server. It consists of the MySQL server daemon mysqld and many client programs and libraries. Security Fixes: mysql: Optimizer unspecified vulnerability CPU Jan 2026 CVE-2026-21941 mysql: Optimizer unspecified vulnerability CPU Jan 2026...

RLSA-2026:5640 Moderate: mysql:8.4 security update

MySQL is a multi-user, multi-threaded SQL database server. It consists of the MySQL server daemon mysqld and many client programs and libraries. Security Fixes: mysql: Optimizer unspecified vulnerability CPU Jan 2026 CVE-2026-21941 mysql: Optimizer unspecified vulnerability CPU Jan 2026...

Moderate: Red Hat Security Advisory: mysql:8.4 security update

An update for the mysql:8.4 module is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

mysql:8.0 security update

An update is available for mecab-ipadic, module.mecab, mecab, module.mecab-ipadic. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list MySQL is a multi-user,...