CVE-2024-21509: Sidorares MYSQL2

Medium severity, CVSS 6.5. EPSS: 1% chance of exploitation in the next 30 days.

Versions of the package mysql2 before 3.9.4 are vulnerable to Prototype Poisoning due to insecure results object creation and improper user input sanitization passed through parserFn in text_parser.js and binary_parser.js.

Affected products

• Sidorares MYSQL2: before 3.9.4 (fixed in 3.9.4)

Published 2024-04-10. Last modified 2026-06-17.