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Servers and applications

CVE-2026-85748

MariaDB server is a community developed fork of MySQL server. From 12.3.1 until 12.3.3 and 13.0.2, SYS_REFCURSOR handling is affected because cursor-array reallocation can leave stale references in routine contexts. A low-privileged attacker can open a large number of SYS_REFCURSORs and then fetch one to trigger a use-after-free that can enable remote code execution when combined with another…

Severity
Critical 9.9
Published
16 Oct 2026
Last changed
20 Oct 2026
Added to UpHeron
21 Oct 2026
Fixed in
12.3.3
Sources
NVD

Affected software

SoftwareAffected versions
MariaDBServers and applications · cpe:a:mariadb:mariadb
  • From 12.3.1 before 12.3.3
  • Version 13.0.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-85748
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-85748