CVE-2021-46669

Name: CVE-2021-46669
Creator: NVD / NIST
Published: 2022-02-01T02:15:07.173+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.36%

Last modified Jun 17, 2026

CVE-2021-46669 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. MariaDB through 10.5.9 allows attackers to trigger a convert_const_to_int use-after-free when the BIGINT data type is used.. EPSS estimates a 2.36% chance of exploitation in the next 30 days.

Description

MariaDB through 10.5.9 allows attackers to trigger a convert_const_to_int use-after-free when the BIGINT data type is used.

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

2.36%

81.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Mariadb	Mariadb	< 10.2.44
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
Fedoraproject	Fedora	35
Fedoraproject	Fedora	36
Debian	Debian Linux	10.0

References

https://jira.mariadb.org/browse/MDEV-25638Exploit, Issue Tracking, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2022/09/msg00023.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FRJCSPQHYPKTWXXZVDMY6JAHZJQ4TZ5X/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KHEOTQ63YWC3PGHGDFGS7AZIEXCGOPWH/
https://mariadb.com/kb/en/security/Patch, Vendor Advisory
https://security.netapp.com/advisory/ntap-20220221-0002/Third Party Advisory
https://jira.mariadb.org/browse/MDEV-25638Exploit, Issue Tracking, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2022/09/msg00023.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FRJCSPQHYPKTWXXZVDMY6JAHZJQ4TZ5X/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KHEOTQ63YWC3PGHGDFGS7AZIEXCGOPWH/
https://mariadb.com/kb/en/security/Patch, Vendor Advisory
https://security.netapp.com/advisory/ntap-20220221-0002/Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2021-46669?

MariaDB through 10.5.9 allows attackers to trigger a convert_const_to_int use-after-free when the BIGINT data type is used.

How severe is CVE-2021-46669?

CVE-2021-46669 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.36% probability of exploitation in the next 30 days.

How do I fix CVE-2021-46669?

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-2021-46669?

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

Scan your code now

Source: NVD / NIST