SB2026042874 - Heap-based buffer overflow in MariaDB
Published: April 28, 2026
Security Bulletin ID
SB2026042874
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Heap-based buffer overflow (CVE-ID: CVE-2026-32710)
The vulnerability allows a remote user to execute arbitrary code.
The vulnerability exists due to heap-based buffer overflow in the JSON_SCHEMA_VALID() function when processing crafted input. A remote user can send specially crafted input to execute arbitrary code.
Successful code execution requires tight control over memory layout and is generally only attainable in a lab environment.
Remediation
Install update from vendor's website.