What’s Vulnerable › Vulnerabilities

CVE-2021-46666

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-02-01 · updated 2026-06-17
• Weakness: CWE-617

Description

MariaDB before 10.6.2 allows an application crash because of mishandling of a pushdown from a HAVING clause to a WHERE clause.

Affected products

• MariaDB: before 10.2.39; from 10.3.0 before 10.3.30; from 10.4.0 before 10.4.20; from 10.5.0 before 10.5.11; from 10.6.0 before 10.6.2 — fixed in 10.2.39, 10.3.30, 10.4.20, 10.5.11, 10.6.2

How to fix

Upgrade to a fixed version: MariaDB 10.2.39, 10.3.30, 10.4.20, 10.5.11. Check the vendor advisory for mitigations.

References

• https://jira.mariadb.org/browse/MDEV-25635
• https://mariadb.com/kb/en/security/
• https://security.netapp.com/advisory/ntap-20220221-0002/
• https://jira.mariadb.org/browse/MDEV-25635
• https://mariadb.com/kb/en/security/
• https://security.netapp.com/advisory/ntap-20220221-0002/

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