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CVE-2026-21964

Опубликовано: 20 янв. 2026
Источник: redhat
CVSS3: 4.9
EPSS Низкий

Описание

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Thread Pooling). 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 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 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).

Oracle CPU describes the issue as following: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Thread Pooling). 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 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.

Отчет

Red Hat Product Security rates the severity of this flaw as determined by the Oracle MySQL Critical Patch Update.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 6mysqlNot affected
Red Hat Enterprise Linux 10mysql8.4FixedRHSA-2026:416210.03.2026
Red Hat Enterprise Linux 8mysqlFixedRHSA-2026:558024.03.2026
Red Hat Enterprise Linux 8mysqlFixedRHSA-2026:639101.04.2026
Red Hat Enterprise Linux 9mysqlFixedRHSA-2026:482817.03.2026
Red Hat Enterprise Linux 9mysqlFixedRHSA-2026:564024.03.2026

Показывать по

Дополнительная информация

Статус:

Moderate
https://bugzilla.redhat.com/show_bug.cgi?id=2431431mysql: Thread Pooling unspecified vulnerability (CPU Jan 2026)

EPSS

Процентиль: 35%
0.00404
Низкий

4.9 Medium

CVSS3

Связанные уязвимости

CVSS3: 4.9
ubuntu
10 месяцев назад

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Thread Pooling). 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 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 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).

CVSS3: 4.9
nvd
10 месяцев назад

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Thread Pooling). 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 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 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).

CVSS3: 4.9
debian
10 месяцев назад

Vulnerability in the MySQL Server product of Oracle MySQL (component: ...

CVSS3: 4.9
github
10 месяцев назад

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Thread Pooling). 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 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 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).

CVSS3: 4.9
fstec
10 месяцев назад

Уязвимость компонента Server:Thread Pooling системы управления базами данных Oracle MySQL Server, позволяющая нарушителю вызвать отказ в обслуживании

EPSS

Процентиль: 35%
0.00404
Низкий

4.9 Medium

CVSS3