# What changed in source-map-js

> 2 changes in source-map-js 1 from its official release notes, upgrade guides and advisories: 1 security. Each one cited. Sources checked 2026-10-27. HTML: https://unstale.sh/npm/source-map-js/

To see which of these apply to a repository, run `npx @unstale/cli init` in it.

## source-map-js 1

### Security

- Fixes a denial-of-service vulnerability caused by malicious indexed source maps. (1.2.2) — [release notes](https://github.com/7rulnik/source-map-js/releases/tag/v1.2.2), [security advisory](https://github.com/advisories/GHSA-68FV-2MGG-JV7Q)

### Fixes and other changes

- Fixes a browser crash when the CSP script-src directive does not permit unsafe-eval. (1.2.2) — [release notes](https://github.com/7rulnik/source-map-js/releases/tag/v1.2.2)