MariaDB Server 3.3.18/3.4.8 mysql_real_escape_string sql injection

Summaryinfo

A vulnerability was found in MariaDB Server 3.3.18/3.4.8. It has been rated as critical. Affected is the function mysql_real_escape_string. This manipulation causes sql injection. The identification of this vulnerability is CVE-2026-44172. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in MariaDB Server 3.3.18/3.4.8. It has been declared as critical. Affected by this vulnerability is the function mysql_real_escape_string. The manipulation with an unknown input leads to a sql injection vulnerability. The CWE definition for the vulnerability is CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-44172 since 05/05/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1505 according to MITRE ATT&CK.

Upgrading to version 3.3.18, 3.3.19, 3.4.8 or 3.4.9 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-36517). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Database Software

Vendor

• MariaDB

Name

• Server

Version

• 3.3.18
• 3.4.8

License

• open-source

Website

• Product: https://github.com/MariaDB/server/

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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