CVE-2026-44172

MariaDB: mysql_real_escape_string() incorrectly handled big5

Published Jun 12, 2026 CVSS 4.0 · 6.9 Medium EPSS 1.0% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Ubuntu USN Ubuntu USN USN-8536-1 MariaDB vulnerabilities
History
Type Values Removed Values Added
First Time appeared Mariadb mariadb
CPEs cpe:2.3:a:mariadb:mariadb:3.3.18:*:*:*:*:*:*:*
cpe:2.3:a:mariadb:mariadb:3.4.8:*:*:*:*:*:*:*
Vendors & Products Mariadb mariadb
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Mariadb
Mariadb server
Vendors & Products Mariadb
Mariadb server
Type Values Removed Values Added
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.
Title MariaDB: mysql_real_escape_string() incorrectly handled big5
Weaknesses CWE-89
References
Metrics cvssV4_0

{'score': 6.9, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Sep 17, 2026, 12:04 PM
Reserved
May 5, 2026, 2:39 PM
Status
Modified
Published
Jun 12, 2026, 6:16 PM
Modified
Oct 26, 2026, 11:10 AM
Severity
Important
Public date
Jun 12, 2026, 5:34 PM