GMS-2018-45: Critical severity vulnerability that affects event-stream and flatmap-stream
(updated )
The NPM package flatmap-stream is considered malicious. A malicious actor added this package as a dependency to the NPM event-stream package in version 3.3.6. Users of event-stream are encouraged to downgrade to the last non-malicious version, 3.3.4, or upgrade to the latest 4.x version.
Users of flatmap-stream are encouraged to remove the dependency entirely.
References
Code Behaviors & Features
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