CVE-2022-27456

Name: CVE-2022-27456
Creator: NVD / NIST
Published: 2022-04-14T13:15:12.143+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.02%

Last modified Jun 17, 2026

CVE-2022-27456 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. MariaDB Server v10.6.3 and below was discovered to contain an use-after-free in the component VDec::VDec at /sql/sql_type.cc.. EPSS estimates a 2.02% chance of exploitation in the next 30 days.

Description

MariaDB Server v10.6.3 and below was discovered to contain an use-after-free in the component VDec::VDec at /sql/sql_type.cc.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

2.02%

78.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Mariadb	Mariadb	>= 10.3.0, < 10.3.35
Mariadb	Mariadb	>= 10.4.0, < 10.4.25
Mariadb	Mariadb	>= 10.5.0, < 10.5.16
Mariadb	Mariadb	>= 10.6.0, < 10.6.8
Mariadb	Mariadb	>= 10.7.0, < 10.7.4
Debian	Debian Linux	10.0

References

https://jira.mariadb.org/browse/MDEV-28093Exploit, Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/09/msg00023.htmlMailing List, Third Party Advisory
https://security.netapp.com/advisory/ntap-20220526-0007/Third Party Advisory
https://jira.mariadb.org/browse/MDEV-28093Exploit, Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/09/msg00023.htmlMailing List, Third Party Advisory
https://security.netapp.com/advisory/ntap-20220526-0007/Third Party Advisory

Timeline

Published: Apr 14, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-27456?

MariaDB Server v10.6.3 and below was discovered to contain an use-after-free in the component VDec::VDec at /sql/sql_type.cc.

How severe is CVE-2022-27456?

CVE-2022-27456 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.02% probability of exploitation in the next 30 days.

How do I fix CVE-2022-27456?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-27456?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST