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NPM: Immutabl: Hash-collision algorithmic complexity denial of service in Immutable.Map/Set

🗓️ 21 Jul 2026 19:02:33Reported by PatchstackType 
patchstack
 patchstack
🔗 patchstack.com👁 7 Views

Vulnerability in immutable versions before 4.3.9 causes hash collision DoS in Immutable Map and Set.

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21 Jul 2026 19:02Current
5.1Medium risk
Vulners AI Score5.1
CVSS 3.17.5
CVSS 48.7
EPSS0.00432
SSVC
7