CVE-2026-44172

MariaDB: mysql_real_escape_string() incorrectly handled big5

Published: Jun 12, 2026Updated: Sep 17, 2026 Sources: CVE List NVDCWE-89

9.1CRITICAL

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:NAvailability

None

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Weaknesses

CWE-89

Affected Products

MariaDB

oss-project·US

mariadbOn-premDatabase

Databases / relational

server

Databases

redhat

commercial·USaka red hat

enterprise linuxOn-premOS

Operating Systems / linux-distro

Exploitability

Workaround Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Initial Access

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References

https://github.com/MariaDB/server/security/advisories/GHSA-pv9p-5w55-55jm

github.com

https://jira.mariadb.org/browse/CONC-819

jira.mariadb.org

https://access.redhat.com/errata/RHSA-2026:30135

access.redhat.com

and 6 more references View all →

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