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chore(deps): bump js-yaml from 4.1.1 to 4.2.0#543

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hypekostas merged 2 commits into
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dependabot/npm_and_yarn/js-yaml-4.2.0
Jun 16, 2026
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chore(deps): bump js-yaml from 4.1.1 to 4.2.0#543
hypekostas merged 2 commits into
developfrom
dependabot/npm_and_yarn/js-yaml-4.2.0

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@dependabot

@dependabot dependabot Bot commented on behalf of github Jun 16, 2026 •
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Bumps js-yaml from 4.1.1 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
Commits

@dependabot dependabot Bot added dependencies Pull requests that update a dependency file javascript Pull requests that update Javascript code labels Jun 16, 2026
Copilot AI review requested due to automatic review settings June 16, 2026 11:30
@dependabot dependabot Bot added dependencies Pull requests that update a dependency file javascript Pull requests that update Javascript code labels Jun 16, 2026
Copilot AI reviewed Jun 16, 2026

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@socket-security

socket-security Bot commented Jun 16, 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: ? → npm/eslint@9.39.2 → npm/vite-plugin-svgr@4.5.0 → 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.

View full report

@dependabot
chore(deps): bump js-yaml from 4.1.1 to 4.2.0
f174b5e 
Bumps [js-yaml](https://github.com/nodeca/js-yaml) from 4.1.1 to 4.2.0.
- [Changelog](https://github.com/nodeca/js-yaml/blob/master/CHANGELOG.md)
- [Commits](https://github.com/nodeca/js-yaml/commits)

---
updated-dependencies:
- dependency-name: js-yaml
  dependency-version: 4.2.0
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot force-pushed the dependabot/npm_and_yarn/js-yaml-4.2.0 branch from f51a774 to f174b5e Compare June 16, 2026 11:40
@hypekostas

hypekostas commented Jun 16, 2026

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In response to the socket-security warning: we only use this dep indirectly through build/lint tooling. Not in our src/, not in the shipped bundle, so it never runs in production.

  • The Socket "obfuscated" alert is a false positive: it just flags the minified dist file. Socket's own notes call it a "legitimate YAML library bundle, no evidence of malware," and the __proto__ code it points at is actually the prototype-pollution fix.
  • No known vulnerabilities (OSV), MIT licensed, no install scripts, and the published package checksum matches npm.
  • No real exposure: it only parses our own config files at build time, never user input or runtime data.

Verified locally: install, build, typecheck, and precommit all pass.

@hypekostas hypekostas self-requested a review June 16, 2026 13:45
@hypekostas hypekostas merged commit 5d21d65 into develop Jun 16, 2026
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@hypekostas hypekostas deleted the dependabot/npm_and_yarn/js-yaml-4.2.0 branch June 16, 2026 13:46
@hypekostas hypekostas mentioned this pull request Jun 16, 2026
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