source-map-js (npm)

Consume and generate source maps.

Advisories

Latest version

1.2.2

Released Sep 30, 2026

License

BSD-3-Clause

OpenSSF Scorecard

2.8 / 10

How to fix

Upgrading to 1.2.2 or later clears every advisory below that has a fix.

Upgrade commands

npm

npm install source-map-js@1.2.2

yarn

yarn add source-map-js@1.2.2

pnpm

pnpm add source-map-js@1.2.2

Known vulnerabilities

Advisory	Severity	Affected	Fixed in
GHSA-68fv-2mgg-jv7q source-map-js allows event-loop denial of service through indexed source-map section offsets	High EPSS 0.46%	`>= 1.0.0, < 1.2.2`	`1.2.2`
GHSA-68fv-2mgg-jv7q source-map-js allows event-loop denial of service through indexed source-map section offsets	High EPSS 0.46%	`>= 1.0.0, < 1.2.2`	`1.2.2`

Source: git+https://github.com/7rulnik/source-map-js.git

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