What’s Vulnerable › Vulnerabilities

CVE-2022-27447

• 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: 2022-04-14 · updated 2026-06-17
• Weakness: CWE-416

Description

MariaDB Server v10.9 and below was discovered to contain a use-after-free via the component Binary_string::free_buffer() at /sql/sql_string.h.

Affected products

• Debian Linux: 10.0
• MariaDB: 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 10.3.35, 10.4.25, 10.5.16, 10.6.8, 10.7.4

How to fix

Upgrade to a fixed version: MariaDB 10.3.35, 10.4.25, 10.5.16, 10.6.8. Check the vendor advisory for mitigations.

References

• https://jira.mariadb.org/browse/MDEV-28099
• https://lists.debian.org/debian-lts-announce/2022/09/msg00023.html
• https://security.netapp.com/advisory/ntap-20220526-0006/
• https://jira.mariadb.org/browse/MDEV-28099
• https://lists.debian.org/debian-lts-announce/2022/09/msg00023.html
• https://security.netapp.com/advisory/ntap-20220526-0006/

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