CVE-2023-52971 — MariaDB Server 10

MariaDB Server 10.10 through 10.11.* and 11.0 through 11.4.* crashes in JOIN::fix_all_splittings_in_plan.

01What is this vulnerability?

MariaDB Server 10.10 through 10.11.* and 11.0 through 11.4.* crashes in JOIN::fix_all_splittings_in_plan.

02Affected products

Vendor	Product	Versions
MariaDB	MariaDB	10.10, 11.0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2025-03-08T00:00:00.000Z
• Last modified: 2025-05-12T15:31:11.074Z

09References

• jira.mariadb.org — https://jira.mariadb.org/browse/MDEV-32084