CVE-2022-27384

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-04-12 · updated 2026-06-17
Weakness: CWE-89

Description

An issue in the component Item_subselect::init_expr_cache_tracker of MariaDB Server v10.6 and below was discovered to allow attackers to cause a Denial of Service (DoS) via specially crafted SQL statements.

Affected products

Debian Linux: 10.0
MariaDB: from 10.2.0 before 10.2.44; from 10.3.0 before 10.3.35; from 10.4.0 before 10.4.25; from 10.5.0 before 10.5.16; from 10.6.0 before 10.6.8; from 10.7.0 before 10.7.4 — fixed in 10.2.44, 10.3.35, 10.4.25, 10.5.16, 10.6.8, 10.7.4

How to fix

Upgrade to a fixed version: MariaDB 10.2.44, 10.3.35, 10.4.25, 10.5.16. Check the vendor advisory for mitigations.

References

https://jira.mariadb.org/browse/MDEV-26047
https://lists.debian.org/debian-lts-announce/2022/09/msg00023.html
https://security.netapp.com/advisory/ntap-20220519-0006/
https://jira.mariadb.org/browse/MDEV-26047
https://lists.debian.org/debian-lts-announce/2022/09/msg00023.html
https://security.netapp.com/advisory/ntap-20220519-0006/

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