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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.024 (83.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
- Mariadb
- Debian Linux — versions 10.0
- Fedoraproject Fedora — versions 35, 36
Weakness classification (CWE)
Public proof-of-concept exploits
References
- jira.mariadb.org/browse/MDEV-25638 (Exploit, Issue Tracking, Vendor Advisory)
- security.netapp.com/advisory/ntap-20220221-0002/ (Third Party Advisory)
- mariadb.com/kb/en/security/ (Patch, Vendor Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.debian.org/debian-lts-announce/2022/09/msg00023.html (mailing-list, 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.