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Bump js-yaml, testem and mocha#57
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dependabot/npm_and_yarn/multi-9f75b540d6

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@dependabot dependabot Bot commented on behalf of github Jun 19, 2026

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Bumps js-yaml to 4.2.0 and updates ancestor dependencies js-yaml, testem and mocha. These dependencies need to be updated together.

Updates js-yaml from 4.1.0 to 4.2.0

Changelog

Sourced from js-yaml's changelog.

[4.2.0] - 2026-06-01

Added

  • Added docs/safety.md with notes about processing untrusted YAML.
  • Added maxDepth (100) loader option. Not a problem, but gives a better exception instead of RangeError on stack overflow.
  • Added maxMergeSeqLength (20) loader option. Not a problem after merge fix, but an additional restriction for safety.
  • Added sourcemaps to dist/ builds.

Changed

  • Stop resolving numbers with underscores as numeric scalars, #627.
  • Switched dev toolchains to Vite / neostandard.
  • Updated demo.
  • Reorganized tests.
  • dist/ files are no longer kept in the repository.

Fixed

  • Fix parsing of properties on the first implicit block mapping key, #62.
  • Fix trailing whitespace handling when folding flow scalar lines, #307.
  • Reject top-level block scalars without content indentation, #280.
  • Ensure numbers survive round-trip, #737.
  • Fix test coverage for issue #221.
  • Fix flow scalar trailing whitespace folding, #307.
  • Fix digits in YAML named tag handles.

Security

  • Fix potential DoS via quadratic complexity in merge - deduplicate repeated elements (makes sense for malformed files > 10K).

[3.14.2] - 2025-11-15

Security

  • Backported v4.1.1 fix to v3

[4.1.1] - 2025-11-12

Security

  • Fix prototype pollution issue in yaml merge (<<) operator.
Commits

Updates testem from 3.19.1 to 3.20.1

Release notes

Sourced from testem's releases.

v3.20.1

What's Changed

Full Changelog: testem/testem@v3.20.0...v3.20.1

v3.20.0

In this release testem changed from fireworm to chokidar to watch for file changes. fireworm had no release since 4 years and various issues. While some of those issues might be resolved by chokidar, there is also a risk of missed change events. In case you observe missed events, please try CHOKIDAR_USE_POLLING=1.

What's Changed

... (truncated)

Commits
  • 5b14f97 3.20.1
  • fa7b137 fix(server): allow dot-prefixed path segments in static files (#2013)
  • 3ff74f8 build(deps): bump browser-actions/setup-firefox from 1.7.1 to 1.7.2 (#2010)
  • 9e5e972 feat(config): load ESM testem.js and testem.mjs configs (#2009)
  • abd228d Update documentation to make project feel less dated (#2008)
  • 4215587 drop stealjs example (#2007)
  • 819076b Upgrade electron example (#2006)
  • cef02e6 chore(examples): bump tape example devDependencies (#2005)
  • d531416 chore(examples): bump istanbul in coverage_istanbul to ^0.4.5 (#2004)
  • d27628d chore(examples): bump jshint example to ^2.13.6 (#2003)
  • Additional commits viewable in compare view

Updates mocha from 10.0.0 to 10.8.2

Release notes

Sourced from mocha's releases.

v10.8.2

10.8.2 (2024-10-30)

🩹 Fixes

  • support errors with circular dependencies in object values with --parallel (#5212) (ba0fefe)
  • test link in html reporter (#5224) (f054acc)

📚 Documentation

  • indicate 'exports' interface does not work in browsers (#5181) (14e640e)

🧹 Chores

  • fix docs builds by re-adding eleventy and ignoring gitignore again (#5240) (881e3b0)

🤖 Automation

  • deps: bump the github-actions group with 1 update (#5132) (e536ab2)

v10.8.1

10.8.1 (2024-10-29)

🩹 Fixes

v10.8.0

10.8.0 (2024-10-29)

🌟 Features

🩹 Fixes

📚 Documentation

... (truncated)

Changelog

Sourced from mocha's changelog.

10.8.2 (2024-10-30)

🩹 Fixes

  • support errors with circular dependencies in object values with --parallel (#5212) (ba0fefe)
  • test link in html reporter (#5224) (f054acc)

📚 Documentation

  • indicate 'exports' interface does not work in browsers (#5181) (14e640e)

🧹 Chores

  • fix docs builds by re-adding eleventy and ignoring gitignore again (#5240) (881e3b0)

🤖 Automation

  • deps: bump the github-actions group with 1 update (#5132) (e536ab2)

10.8.1 (2024-10-29)

🩹 Fixes

10.8.0 (2024-10-29)

🌟 Features

🩹 Fixes

📚 Documentation

🧹 Chores

  • fix npm scripts on windows (#5219) (1173da0)
  • remove trailing whitespace in SECURITY.md (7563e59)

10.7.3 (2024-08-09)

... (truncated)

Commits
  • 05097db chore(main): release 10.8.2 (#5239)
  • 14e640e docs: indicate 'exports' interface does not work in browsers (#5181)
  • 881e3b0 chore: fix docs builds by re-adding eleventy and ignoring gitignore again (#5...
  • f054acc fix: test link in html reporter (#5224)
  • e536ab2 build(deps): bump the github-actions group with 1 update (#5132)
  • ba0fefe fix: support errors with circular dependencies in object values with --parall...
  • f44f71b chore(main): release 10.8.1 (#5238)
  • f72bc17 fix: handle case of invalid package.json with no explicit config (#5198)
  • 68803b6 fix: use accurate test links in HTML reporter (#5228)
  • d8ca270 fix: Typos on mochajs.org (#5237)
  • Additional commits viewable in compare view
Maintainer changes

This version was pushed to npm by voxpelli, a new releaser for mocha since your current version.


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@dependabot
Bump js-yaml, testem and mocha
cbe4d0e 
Bumps [js-yaml](https://github.com/nodeca/js-yaml) to 4.2.0 and updates ancestor dependencies [js-yaml](https://github.com/nodeca/js-yaml), [testem](https://github.com/testem/testem) and [mocha](https://github.com/mochajs/mocha). These dependencies need to be updated together.


Updates `js-yaml` from 4.1.0 to 4.2.0
- [Changelog](https://github.com/nodeca/js-yaml/blob/master/CHANGELOG.md)
- [Commits](https://github.com/nodeca/js-yaml/commits)

Updates `testem` from 3.19.1 to 3.20.1
- [Release notes](https://github.com/testem/testem/releases)
- [Commits](testem/testem@v3.19.1...v3.20.1)

Updates `mocha` from 10.0.0 to 10.8.2
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/main/CHANGELOG.md)
- [Commits](mochajs/mocha@v10.0.0...v10.8.2)

---
updated-dependencies:
- dependency-name: js-yaml
  dependency-version: 4.2.0
  dependency-type: indirect
- dependency-name: testem
  dependency-version: 3.20.1
  dependency-type: indirect
- dependency-name: mocha
  dependency-version: 10.8.2
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot added dependencies Pull requests that update a dependency file javascript Pull requests that update javascript code labels Jun 19, 2026
@socket-security

socket-security Bot commented Jun 19, 2026

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Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff Package Supply Chain
Security		 Vulnerability Quality Maintenance License
Updatedmocha@​10.0.0 ⏵ 10.8.297 +110095 +195100

View full report

@socket-security

socket-security Bot commented Jun 19, 2026

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Warning

Review the following alerts detected in dependencies.

According to your organization's Security Policy, it is recommended to resolve "Warn" alerts. Learn more about Socket for GitHub.

Action Severity Alert  (click "▶" to expand/collapse)
Warn High
Obfuscated code: npm js-yaml is 90.0% likely obfuscated

Confidence: 0.90

Location: Package overview

From: package-lock.json → npm/ember-cli@6.12.0 → npm/eslint@8.19.0 → npm/mocha@10.8.2 → npm/js-yaml@4.2.0

ℹ Read more on: This package | This alert | What is obfuscated code?

Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev.

Suggestion: Packages should not obfuscate their code. Consider not using packages with obfuscated code.

Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore npm/js-yaml@4.2.0. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.

Warn High
Obfuscated code: npm workerpool is 90.0% likely obfuscated

Confidence: 0.90

Location: Package overview

From: package-lock.json → npm/mocha@10.8.2 → npm/workerpool@6.5.1

ℹ Read more on: This package | This alert | What is obfuscated code?

Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev.

Suggestion: Packages should not obfuscate their code. Consider not using packages with obfuscated code.

Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore npm/workerpool@6.5.1. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.

View full report

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