Use After Free in Mariadb
CVE-2022-27456
MariaDB Server v10.6.3 and below was discovered to contain an use-after-free in the component VDec::VDec at /sql/sql_type.cc.
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: 0.021 (81.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- Mariadb
- Debian Linux — versions 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- jira.mariadb.org/browse/MDEV-28093 (Exploit, Third Party Advisory, Issue Tracking)
- security.netapp.com/advisory/ntap-20220526-0007/ (Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/09/msg00023.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-27456?
- CVE-2022-27456 is a high-severity vulnerability in Mariadb, classified under Use After Free. CVSS score: 7.5/10. Published 2022-04-14.
- How severe is CVE-2022-27456?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-27456 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.