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CVE-2026-101751 mysql: mysql: Denial of Service in Group Replication

MediumCVSS 4.9 EPSS 0.44%
Published
Updated
Exploit status
No public exploit known
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Description

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Group Replication GCS). Supported versions that are affected are MySQL Server: 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. 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).

Affected products

ProductAffected versionsFixed in
oracle MySQL = 8.4.0-8.4.12 No fix listed
oracle MySQL = 9.7.0-9.7.3 No fix listed
oracle MySQL = 26.7.0-26.7.1 No fix listed
oracle MySQL Cluster = 8.0.0-8.0.49 No fix listed
oracle MySQL Cluster = 8.4.0-8.4.12 No fix listed
oracle MySQL Cluster = 9.7.0-9.7.3 No fix listed
oracle MySQL Cluster = 26.7.0-26.7.1 No fix listed
oracle MySQL Cluster >= 8.0.0, <= 8.0.49 No fix listed
oracle MySQL Cluster >= 8.4.0, <= 8.4.12 No fix listed
oracle MySQL Cluster >= 9.7.0, <= 9.7.3 No fix listed
oracle MySQL Cluster >= 26.7.0, <= 26.7.1 No fix listed
oracle mysql server >= 8.4.0, <= 8.4.12 No fix listed
oracle mysql server >= 9.7.0, <= 9.7.3 No fix listed
oracle mysql server >= 26.7.0, <= 26.7.1 No fix listed
redhat/mysql8.4(Red Hat:enterprise_linux:10.3) < 8.4.13-1.el10_3 8.4.13-1.el10_3
redhat/mysql:8.4-9090020261109101507.rhel9(Red Hat:enterprise_linux:9) All versions No fix listed
redhat/mysql(Red Hat:rhel_els:6) All versions No fix listed
redhat/mysql:8.4/mysql(Red Hat:enterprise_linux:8) All versions No fix listed
ubuntu/mariadb-10.6(Ubuntu:22.04) All versions No fix listed
ubuntu/mysql-8.0(Ubuntu:22.04) < 8.0.46-0ubuntu0.22.04.5 8.0.46-0ubuntu0.22.04.5
ubuntu/mariadb(Ubuntu:24.04) All versions No fix listed
ubuntu/mysql-8.0(Ubuntu:24.04) < 8.0.46-0ubuntu0.24.04.5 8.0.46-0ubuntu0.24.04.5
ubuntu/mariadb(Ubuntu:26.04) All versions No fix listed
ubuntu/mysql-8.4(Ubuntu:26.04) < 8.4.13-0ubuntu0.26.04.2 8.4.13-0ubuntu0.26.04.2
ubuntu/mariadb(Ubuntu:26.10) All versions No fix listed
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ProductAffected versionsFixed in
ubuntu/mysql-9.7(Ubuntu:26.10) < 9.7.4-0ubuntu0.26.10.1 9.7.4-0ubuntu0.26.10.1

References