SQL Injection Affecting mariadb package, versions <1:11.8.9+ds-1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.32% (25th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-MARIADB-21175445
  • published17 Oct 2026
  • disclosed16 Oct 2026

Introduced: 16 Oct 2026

NewCVE-2026-86047  (opens in a new tab)
CWE-89  (opens in a new tab)

How to fix?

Upgrade Debian:unstable mariadb to version 1:11.8.9+ds-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mariadb package and not the mariadb package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

MariaDB server is a community developed fork of MySQL server. From 10.6.1 until 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, and 13.0.2, SHOW CREATE SERVER, SHOW CREATE USER, and mariadb-dump are affected because each does not consistently quote identifiers and values when serializing SQL. A low-privileged attacker can trigger the issue when an attacker-created object with crafted identifiers or values is included in SHOW output or a dump, then create an object with crafted identifiers or values so generated SQL contains injected statements and execute attacker-injected SQL when the poisoned output is applied. This issue is fixed in versions 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, and 13.0.2.

CVSS Base Scores

version 3.1