What’s Vulnerable › Vulnerabilities
CVE-2021-46669
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 2.4% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2022-02-01 · updated 2026-06-17
- Weakness: CWE-416
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.
Affected products
- Debian Linux: 10.0
- Fedoraproject Fedora: 35, 36
- MariaDB: before 10.2.44; 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 10.2.44, 10.3.35, 10.4.25, 10.5.16, 10.6.8, 10.7.4
How to fix
Upgrade to a fixed version: MariaDB 10.2.44, 10.3.35, 10.4.25, 10.5.16. Check the vendor advisory for mitigations.
References
- https://jira.mariadb.org/browse/MDEV-25638
- https://lists.debian.org/debian-lts-announce/2022/09/msg00023.html
- 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/
- https://security.netapp.com/advisory/ntap-20220221-0002/
- https://jira.mariadb.org/browse/MDEV-25638
- https://lists.debian.org/debian-lts-announce/2022/09/msg00023.html
- 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/
- https://security.netapp.com/advisory/ntap-20220221-0002/
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