HIGHCVESeptember 18, 2026
CVE-2026-93749, source-map-js through 1.2.1 fails to validate the per-section offset line value ...
DecipherU Intelligence aggregates cybersecurity developments from government databases, official filings, and authoritative sources. The summary below is written by DecipherU and does not represent the views of the original source. For full details, follow the source link.
Summary
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.
Relevant Roles
incident-respondersoc-analystsecurity-engineer
For the full cve details, visit the original source.
Read Original Source: nvd.nist.govSource: nvd.nist.gov, September 18, 2026. This summary is DecipherU's original writing. For complete details, follow the source link above. This page is for informational purposes only and does not constitute security advice.
Sources
- NIST National Vulnerability Database (NVD) · Authoritative CVE records and CVSS scoring.
- CISA Advisories · Public-domain US Cybersecurity and Infrastructure Security Agency alerts.
- DecipherU Live Feeds · DecipherU aggregates and curates these cybersecurity intelligence items.
Last verified: September 18, 2026?Report an inaccuracy