Vulnerability details

8.7/10
CVSS 4.0
CVE-2026-93749
in_triage Published 2026-09-18 Updated 2026-09-22
Vulnerability Data from Dependency-Track
Description
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.
Same vulnerability as
GHSA-68fv-2mgg-jv7q in_triage according to EUVD-2026-83254
Analysis Read only

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