CriticalGHSA-fpw7-j2hg-69v5CVE-2024-21508

mysql2 Remote Code Execution (RCE) via the readCodeFor function

Published 11 Apr 2024 · Updated 10 Sept 2026

Affected package

Affected: <3.9.4
Fixed in: 3.9.4

Update to the fixed version for your release line, for example:npm install mysql2@3.9.4

Details

Versions of the package mysql2 before 3.9.4 are vulnerable to Remote Code Execution (RCE) via the readCodeFor function due to improper validation of the supportBigNumbers and bigNumberStrings values.

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References

Advisorynvd.nist.gov/vuln/detail/CVE-2024-21508
Linkgithub.com/sidorares/node-mysql2/pull/2572
Linkgithub.com/sidorares/node-mysql2/commit/74abf9ef94d76114d9a09415e28b496522a94805
Linkblog.slonser.info/posts/mysql2-attacker-configuration
Packagegithub.com/sidorares/node-mysql2
Linkgithub.com/sidorares/node-mysql2/blob/1609b5393516d72a4ae47196837317fbe75e0c13/lib/parsers/text_parser.js%23L14C10-L14C21
Linkgithub.com/sidorares/node-mysql2/releases/tag/v3.9.4
Linksecurity.snyk.io/vuln/SNYK-JS-MYSQL2-6591085

Advisory data from OSV.dev (opens OSV.dev in a new tab), refreshed daily.