CVE-2021-46665

Name: CVE-2021-46665
Creator: NVD / NIST
Published: 2022-02-01T02:15:06.977+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.40%

Last modified Jun 17, 2026

CVE-2021-46665 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. MariaDB through 10.5.9 allows a sql_parse.cc application crash because of incorrect used_tables expectations.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

MariaDB through 10.5.9 allows a sql_parse.cc application crash because of incorrect used_tables expectations.

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

0.40%

31.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Mariadb	Mariadb	>= 10.2.0, < 10.2.43
Mariadb	Mariadb	>= 10.3.0, < 10.3.34
Mariadb	Mariadb	>= 10.4.0, < 10.4.24
Mariadb	Mariadb	>= 10.5.0, < 10.5.15
Mariadb	Mariadb	>= 10.6.0, < 10.6.7
Mariadb	Mariadb	>= 10.7.0, < 10.7.3
Fedoraproject	Fedora	34
Fedoraproject	Fedora	35
Fedoraproject	Fedora	36

References

Timeline

Published: Feb 1, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-46665?

MariaDB through 10.5.9 allows a sql_parse.cc application crash because of incorrect used_tables expectations.

How severe is CVE-2021-46665?

CVE-2021-46665 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.

How do I fix CVE-2021-46665?

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-2021-46665?

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

Scan your code now

Source: NVD / NIST