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CVE-2022-27457

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-04-14 · updated 2026-06-17
Weakness: CWE-416

Description

MariaDB Server v10.6.3 and below was discovered to contain an use-after-free in the component my_mb_wc_latin1 at /strings/ctype-latin1.c.

Affected products

MariaDB: 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 10.4.25, 10.5.16, 10.6.8, 10.7.4

How to fix

Upgrade to a fixed version: MariaDB 10.4.25, 10.5.16, 10.6.8, 10.7.4. Check the vendor advisory for mitigations.

References

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