MariaDB: mysql_real_escape_string() incorrectly handled big5_CVE-2026-44172

6.9 / 10

MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Description

MariaDB server is a community developed fork of MySQL server. In versions 3.3.18 and 3.4.8, an application that was taking non-validated user input, escaping it with mysql_real_escape_string() and sending it to the database using text protocol and big5 character set was vulnerable to SQL injections, even though mysql_real_escape_string() was supposed to prevent them. This issue has been patched in versions 3.3.19 and 3.4.9.

Basic Information

ID CVE-2026-44172

Source GitHub_M

Published Jun 12, 2026 at 17:34

Affected Product

Vendor MariaDB

Product server

Version = 3.3.18

Affected Versions MariaDB server = 3.3.18
MariaDB server = 3.4.8

CWE Classification

CWE-89

References

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    "published": "2026-06-12T17:34:04.487Z",
    "modified": "2026-06-12T17:34:04.487Z",
    "type": "cve",
    "title": "MariaDB: mysql_real_escape_string() incorrectly handled big5",
    "source": "GitHub_M",
    "references": "https://github.com/MariaDB/server/security/advisories/GHSA-pv9p-5w55-55jm\nhttps://jira.mariadb.org/browse/CONC-819",
    "id": "CVE-2026-44172",
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