NULL pointer dereference in Mariadb
CVE-2021-46664
MariaDB through 10.5.9 allows an application crash in sub_select_postjoin_aggr for a NULL value of aggr.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (31.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 31.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Mariadb
- Fedoraproject Fedora — versions 34, 35, 36
Weakness classification (CWE)
Public proof-of-concept exploits
References
- jira.mariadb.org/browse/MDEV-25761 (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.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2021-46664?
- CVE-2021-46664 is a medium-severity vulnerability in Mariadb, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2022-02-01.
- How severe is CVE-2021-46664?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2021-46664 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.