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source-map-js vulnerabilities

Vulnerabilities published for source-map-js in the last 30 days: 0. Listed in the KEV catalogue: 0.

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Vulnerability: 1

  1. CVE-2026-93749

    High · CVSS 8.7EPSS 0.46%Fix available

    source-map-js through 1.2.1 Event Loop Denial of Service

    source-map-js through 1.2.1 fails to validate the per-section offset line value in indexed source maps, allowing attackers to specify arbitrary numeric values. Attackers can supply extremely large offset line values that cause synchronous event loop blocking for extended periods, preventing the service from handling other requests.

    source-map-jsNode.js
    • Update to 1.2.2
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

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