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NPM: js-yaml: YAML merge-key chains can force quadratic CPU consumption

🗓️ 20 Jul 2026 21:19:09Reported by PatchstackType 
patchstack
 patchstack
🔗 patchstack.com👁 5 Views

js-yaml YAML merge-key chains can cause quadratic resource usage in versions 3.0.0 to 3.14.x.

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20 Jul 2026 21:19Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.17.5
EPSS0.0037
SSVC
5