Use After Free in Mariadb
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.
Vulnerability class: Use-After-Free
EPSS: 0.024 (82.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Mariadb
- Debian Debian_linux — versions 10.0
- Fedoraproject Fedora — versions 35, 36
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, x_refsource_MISC, Issue Tracking, Vendor Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Vendor Advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-46669?
- CVE-2021-46669 is a high-severity vulnerability in Mariadb, classified under Use After Free. CVSS score: 7.5/10. Published 2022-02-01.
- How severe is CVE-2021-46669?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-46669 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.