MediumGHSA-mqr2-w7wj-jjgrCVE-2024-21507

mysql2 cache poisoning vulnerability

Published 10 Apr 2024 · Updated 10 Sept 2026

Affected package

Affected: <3.9.3
Fixed in: 3.9.3

Update to the fixed version for your release line, for example:npm install mysql2@3.9.3

Details

Versions of the package mysql2 before 3.9.3 are vulnerable to Improper Input Validation through the keyFromFields function, resulting in cache poisoning. An attacker can inject a colon : character within a value of the attacker-crafted key.

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References

Advisorynvd.nist.gov/vuln/detail/CVE-2024-21507
Linkgithub.com/sidorares/node-mysql2/pull/2424
Linkgithub.com/sidorares/node-mysql2/commit/0d54b0ca6498c823098426038162ef10df02c818
Linkblog.slonser.info/posts/mysql2-attacker-configuration
Packagegithub.com/sidorares/node-mysql2
Linksecurity.snyk.io/vuln/SNYK-JS-MYSQL2-6591300

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