CVE-2021-46659

Name: CVE-2021-46659
Creator: NVD / NIST
Published: 2022-01-29T23:15:07.457+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.55%

Last modified Jun 17, 2026

CVE-2021-46659 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. MariaDB before 10.7.2 allows an application crash because it does not recognize that SELECT_LEX::nest_level is local to each VIEW.. EPSS estimates a 0.55% chance of exploitation in the next 30 days.

Description

MariaDB before 10.7.2 allows an application crash because it does not recognize that SELECT_LEX::nest_level is local to each VIEW.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.55%

41.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Mariadb	Mariadb	>= 5.5.0, < 10.2.42
Mariadb	Mariadb	>= 10.3.0, < 10.3.33
Mariadb	Mariadb	>= 10.4.0, < 10.4.23
Mariadb	Mariadb	>= 10.5.0, < 10.5.14
Mariadb	Mariadb	>= 10.6.0, < 10.6.6
Mariadb	Mariadb	>= 10.7.0, < 10.7.2
Fedoraproject	Fedora	34
Fedoraproject	Fedora	35
Fedoraproject	Fedora	36

References

Timeline

Published: Jan 29, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-46659?

MariaDB before 10.7.2 allows an application crash because it does not recognize that SELECT_LEX::nest_level is local to each VIEW.

How severe is CVE-2021-46659?

CVE-2021-46659 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.

How do I fix CVE-2021-46659?

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-2021-46659?

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

Scan your code now

Source: NVD / NIST