Buffer overflow in Mariadb
CVE-2026-32710
MariaDB server is a community developed fork of MySQL server. An authenticated user can crash MariaDB versions 11.4 before 11.4.10 and 11.8 before 11.8.6 via a bug in JSON_SCHEMA_VALID() function. Under certain conditions it might be possi…
Vulnerability class: Buffer Overflow
EPSS: 0.009 (54.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Mariadb — versions 12.1.2
- Mariadb Server — versions >= 11.4.1, < 11.4.10, >= 11.8.1, < 11.8.6, >= 12.1.2, < 12.2.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (x_refsource_MISC, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-32710?
- CVE-2026-32710 is a high-severity vulnerability in Mariadb, classified under Heap-based Buffer Overflow. CVSS score: 8.5/10. Published 2026-03-20.
- How severe is CVE-2026-32710?
- High severity. CVSS v3 base score is 8.5 out of 10.
- Is CVE-2026-32710 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.