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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLW1oNmYtOGoyeC00NDgz

Critical severity vulnerability that affects event-stream and flatmap-stream

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.

Permalink: https://github.com/advisories/GHSA-mh6f-8j2x-4483
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLW1oNmYtOGoyeC00NDgz
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Critical
Classification: General
Published: over 5 years ago
Updated: over 1 year ago

CVSS Score: 9.8
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Identifiers: GHSA-mh6f-8j2x-4483
References:

Repository: https://github.com/dominictarr/event-stream
Blast Radius: 53.7

Affected Packages

npm:flatmap-stream

Dependent packages: 3
Dependent repositories: 10,549
Downloads: 35 last month
Affected Version Ranges: >= 0
No known fixed version
All affected versions:

npm:event-stream

Dependent packages: 4,085
Dependent repositories: 301,456
Downloads: 16,317,187 last month
Affected Version Ranges: = 3.3.6
Fixed in: 4.0.0
All affected versions:
All unaffected versions: 0.1.0, 0.2.0, 0.2.1, 0.3.0, 0.4.0, 0.5.0, 0.5.1, 0.5.2, 0.5.3, 0.6.0, 0.7.0, 0.8.0, 0.8.1, 0.8.2, 0.9.0, 0.9.1, 0.9.2, 0.9.3, 0.9.4, 0.9.6, 0.9.7, 0.9.8, 0.10.0, 1.0.0, 1.1.0, 1.2.0, 1.3.0, 1.3.1, 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.9, 2.0.10, 2.1.0, 2.1.2, 2.1.3, 2.1.4, 2.1.5, 2.1.7, 2.1.8, 2.1.9, 2.2.0, 2.2.1, 2.2.2, 2.2.3, 3.0.0, 3.0.1, 3.0.2, 3.0.3, 3.0.4, 3.0.5, 3.0.6, 3.0.7, 3.0.8, 3.0.9, 3.0.10, 3.0.11, 3.0.12, 3.0.13, 3.0.14, 3.0.15, 3.0.16, 3.0.17, 3.0.18, 3.0.20, 3.1.0, 3.1.1, 3.1.2, 3.1.4, 3.1.5, 3.1.7, 3.2.0, 3.2.1, 3.2.2, 3.3.0, 3.3.1, 3.3.2, 3.3.3, 3.3.4, 3.3.5, 4.0.0, 4.0.1