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🚨 [security] Update eslint 7.17.0 → 9.39.2 (major)#322

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🚨 [security] Update eslint 7.17.0 → 9.39.2 (major)#322
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@depfu depfu bot commented Jan 29, 2026

🚨 Your current dependencies have known security vulnerabilities 🚨

This dependency update fixes known security vulnerabilities. Please see the details below and assess their impact carefully. We recommend to merge and deploy this as soon as possible!

Here is everything you need to know about this upgrade. Please take a good look at what changed and the test results before merging this pull request.

What changed?

✳️ eslint (7.17.0 → 9.39.2) · Repo · Changelog

Security Advisories 🚨

🚨 eslint has a Stack Overflow when serializing objects with circular references

There is a Stack Overflow vulnerability in eslint before 9.26.0 when serializing objects with circular references in eslint/lib/shared/serialization.js. The exploit is triggered via the RuleTester.run() method, which validates test cases and checks for duplicates. During validation, the internal function checkDuplicateTestCase() is called, which in turn uses the isSerializable() function for serialization checks. When a circular reference object is passed in, isSerializable() enters infinite recursion, ultimately causing a Stack Overflow.

Release Notes

Too many releases to show here. View the full release notes.

Commits

See the full diff on Github. The new version differs by 7 commits:

↗️ @​eslint/eslintrc (indirect, 0.2.2 → 3.3.3) · Repo · Changelog

Release Notes

Too many releases to show here. View the full release notes.

↗️ acorn-jsx (indirect, 5.3.1 → 5.3.2) · Repo

Sorry, we couldn't find anything useful about this release.

↗️ cross-spawn (indirect, 7.0.3 → 7.0.6) · Repo · Changelog

Security Advisories 🚨

🚨 Regular Expression Denial of Service (ReDoS) in cross-spawn

Versions of the package cross-spawn before 7.0.5 are vulnerable to Regular Expression Denial of Service (ReDoS) due to improper input sanitization. An attacker can increase the CPU usage and crash the program by crafting a very large and well crafted string.

Release Notes

7.0.6 (from changelog)

Bug Fixes

  • update cross-spawn version to 7.0.5 in package-lock.json (f700743)

7.0.5 (from changelog)

Bug Fixes

  • fix escaping bug introduced by backtracking (640d391)

7.0.4 (from changelog)

Bug Fixes

Does any of this look wrong? Please let us know.

Commits

See the full diff on Github. The new version differs by 15 commits:

↗️ debug (indirect, 4.2.0 → 4.4.3) · Repo · Changelog

Security Advisories 🚨

🚨 debug@4.4.2 contains malware after npm account takeover

Impact

On 8 September 2025, the npm publishing account for debug was taken over after a phishing attack. Version 4.4.2 was published, functionally identical to the previous patch version, but with a malware payload added attempting to redirect cryptocurrency transactions to the attacker's own addresses from within browser environments.

Local environments, server environments, command line applications, etc. are not affected. If the package was used in a browser context (e.g. a direct <script> inclusion, or via a bundling tool such as Babel, Rollup, Vite, Next.js, etc.) there is a chance the malware still exists and such bundles will need to be rebuilt.

The malware seemingly only targets cryptocurrency transactions and wallets such as MetaMask. See references below for more information on the payload.

Patches

npm removed the offending package from the registry over the course of the day on 8 September, preventing further downloads from npm proper.

On 13 September, the package owner published new patch versions to help cache-bust those using private registries who might still have the compromised version cached. This version is functionally identical to the previously known-good version, published as a patch version bump above the compromised version.

Users should upgrade to the latest patch version, completely remove their node_modules directory, clean their package manager's global cache, and rebuild any browser bundles from scratch.

Those operating private registries or registry mirrors should purge the offending versions from any caches.

References

Point of Contact

In the event suspicious behavior is still observed for the package listed in this security advisory after performing all of the above cleaning operations (see Patches above), please reach out via one of the following channels of communication:

🚨 Regular Expression Denial of Service in debug

Affected versions of debug are vulnerable to regular expression denial of service when untrusted user input is passed into the o formatter.

As it takes 50,000 characters to block the event loop for 2 seconds, this issue is a low severity issue.

This was later re-introduced in version v3.2.0, and then repatched in versions 3.2.7 and 4.3.1.

Recommendation

Version 2.x.x: Update to version 2.6.9 or later.
Version 3.1.x: Update to version 3.1.0 or later.
Version 3.2.x: Update to version 3.2.7 or later.
Version 4.x.x: Update to version 4.3.1 or later.

Release Notes

4.4.3

Functionally identical release to 4.4.1.

Version 4.4.2 is compromised. Please see #1005.

4.4.1

What's Changed

  • fix(Issue-996): replace whitespaces in namespaces string with commas globally by @pdahal-cx in #997
  • fixes #987 fallback to localStorage.DEBUG if debug is not defined by @lzilioli in #988

New Contributors

Full Changelog: 4.4.0...4.4.1

4.4.0

Fixes (hopefully) the inefficient regex warnings in .enable().

Minor version as this is invariably going to break certain users who misuse the .enable() API and expected it to work with regexes, which was never supported nor documented. That's on you, sorry - that functionality won't be added back.

Full Changelog: 4.3.7...4.4.0

4.3.7

What's Changed

Full Changelog: 4.3.6...4.3.7

4.3.6

What's Changed

  • Avoid using deprecated RegExp.$1 by @bluwy in #969

New Contributors

Full Changelog: 4.3.5...4.3.6

4.3.5

Patch

Thank you @calvintwr for the fix.

4.3.4

What's Changed

  • Add section about configuring JS console to show debug messages by @gitname in #866
  • Replace deprecated String.prototype.substr() by @CommanderRoot in #876

New Contributors

Full Changelog: 4.3.3...4.3.4

4.3.3

Patch Release 4.3.3

This is a documentation-only release. Further, the repository was transferred. Please see notes below.

  • Migrates repository from https://github.com/visionmedia/debug to https://github.com/debug-js/debug. Please see notes below as to why this change was made.
  • Updates repository maintainership information
  • Updates the copyright (no license terms change has been made)
  • Removes accidental epizeuxis (#828)
  • Adds README section regarding usage in child procs (#850)

Thank you to @taylor1791 and @kristofkalocsai for their contributions.

Repository Migration Information

I've formatted this as a FAQ, please feel free to open an issue for any additional question and I'll add the response here.

Q: What impact will this have on me?

In most cases, you shouldn't notice any change.

The only exception I can think of is if you pull code directly from https://github.com/visionmedia/debug, e.g. via a "debug": "visionmedia/debug"-type version entry in your package.json - in which case, you should still be fine due to the automatic redirection Github sets up, but you should also update any references as soon as possible.

Q: What are the security implications of this change?

If you pull code directly from the old URL, you should update the URL to https://github.com/debug-js/debug as soon as possible. The old organization has many approved owners and thus a new repository could (in theory) be created at the old URL, circumventing Github's automatic redirect that is in place now and serving malicious code. I (@Qix-) also wouldn't have access to that repository, so while I don't think it would happen, it's still something to consider.

Even in such a case, however, the officially released package on npm (debug) would not be affected. That package is still very much under control (even more than it used to be).

Q: What should I do if I encounter an issue related to the migration?

Search the issues first to see if someone has already reported it, and then open a new issue if someone has not.

Q: Why was this done as a 'patch' release? Isn't this breaking?

No, it shouldn't be breaking. The package on npm shouldn't be affected (aside from this patch release) and any references to the old repository should automatically redirect.

Thus, according to all of the "APIs" (loosely put) involved, nothing should have broken.

I understand there are a lot of edge cases so please open issues as needed so I can assist in any way necessary.

Q: Why was the repository transferred?

I'll just list them off in no particular order.

  • The old organization was defunct and abandoned.
  • I was not an owner of the old organization and thus could not ban the non-trivial amount of spam users or the few truly abusive users from the org. This hindered my ability to properly maintain this package.
  • The debug ecosystem intends to grow beyond a single package, and since new packages could not be created in the old org (nor did it make sense for them to live there), a new org made the most sense - especially from a security point of view.
  • The old org has way, way too many approved members with push access, for which there was nothing I could do. This presented a pretty sizable security risk given that many packages in recent years have fallen victim to backdoors and the like due to lax security access.

Q: Was this approved?

Yes.[archive]

Q: Do I need to worry about another migration sometime in the future?

No.

4.3.2

Patch release 4.3.2

  • Caches enabled statuses on a per-logger basis to speed up .enabled checks (#799)

Thank you @omg!

4.3.0

Minor release

  • Deprecated debugInstance.destroy(). Future major versions will not have this method; please remove it from your codebases as it currently does nothing.
  • Fixed quoted percent sign
  • Fixed memory leak within debug instances that are created dynamically

Does any of this look wrong? Please let us know.

Commits

See the full diff on Github. The new version differs by 35 commits:

↗️ espree (indirect, 7.3.1 → 10.4.0) · Repo · Changelog

Release Notes

Too many releases to show here. View the full release notes.

↗️ esquery (indirect, 1.3.1 → 1.7.0) · Repo

Sorry, we couldn't find anything useful about this release.

↗️ is-glob (indirect, 4.0.1 → 4.0.3) · Repo

Commits

See the full diff on Github. The new version differs by 8 commits:

↗️ minimatch (indirect, 3.0.4 → 3.1.2) · Repo · Changelog

Security Advisories 🚨

🚨 minimatch ReDoS vulnerability

A vulnerability was found in the minimatch package. This flaw allows a Regular Expression Denial of Service (ReDoS) when calling the braceExpand function with specific arguments, resulting in a Denial of Service.

Commits

See the full diff on Github. The new version differs by 17 commits:

↗️ ms (indirect, 2.1.2 → 2.1.3) · Repo

Release Notes

2.1.3

Patches

  • Rename zeit to vercel: #151
  • Bump eslint from 4.12.1 to 4.18.2: #122
  • Add prettier as a dev dependency: #135 #153
  • Use GitHub Actions CI: #154

Credits

Huge thanks to @getsnoopy for helping!

Does any of this look wrong? Please let us know.

Commits

See the full diff on Github. The new version differs by 6 commits:

↗️ optionator (indirect, 0.9.1 → 0.9.4) · Repo · Changelog

↗️ word-wrap (indirect, 1.2.3 → 1.2.5) · Repo

Security Advisories 🚨

🚨 word-wrap vulnerable to Regular Expression Denial of Service

All versions of the package word-wrap are vulnerable to Regular Expression Denial of Service (ReDoS) due to the usage of an insecure regular expression within the result variable.

Release Notes

1.2.5

Changes:

Reverts default value for options.indent to two spaces ' '.

Full Changelog: 1.2.4...1.2.5

1.2.4

What's Changed

New Contributors

Full Changelog: 1.2.3...1.2.4

Does any of this look wrong? Please let us know.

Commits

See the full diff on Github. The new version differs by 16 commits:

🆕 @​eslint-community/eslint-utils (added, 4.9.1)

🆕 @​eslint-community/regexpp (added, 4.12.2)

🆕 @​eslint/config-array (added, 0.21.1)

🆕 @​eslint/config-helpers (added, 0.4.2)

🆕 @​eslint/core (added, 0.17.0)

🆕 @​eslint/js (added, 9.39.2)

🆕 @​eslint/object-schema (added, 2.1.7)

🆕 @​eslint/plugin-kit (added, 0.4.1)

🆕 @​humanfs/core (added, 0.19.1)

🆕 @​humanfs/node (added, 0.16.7)

🆕 @​humanwhocodes/module-importer (added, 1.0.1)

🆕 @​humanwhocodes/retry (added, 0.4.3)

🆕 @​types/estree (added, 1.0.8)

🆕 @​types/json-schema (added, 7.0.15)

🆕 json-buffer (added, 3.0.1)

🆕 keyv (added, 4.5.4)

🆕 lodash.merge (added, 4.6.2)

🗑️ ansi-colors (removed)

🗑️ enquirer (removed)

🗑️ eslint-utils (removed)

🗑️ require-from-string (removed)

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@depfu depfu bot added the depfu label Jan 29, 2026
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