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🚨 [security] Update multer 2.0.0 → 2.1.1 (minor)#16

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🚨 [security] Update multer 2.0.0 → 2.1.1 (minor)#16
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depfu/update/npm/multer-2.1.1

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@depfu depfu bot commented Mar 5, 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 update. Please take a good look at what changed and the test results before merging this pull request.

What changed?

✳️ multer (2.0.0 → 2.1.1) · Repo · Changelog

Security Advisories 🚨

🚨 Multer Vulnerable to Denial of Service via Uncontrolled Recursion

Impact

A vulnerability in Multer versions < 2.1.1 allows an attacker to trigger a Denial of Service (DoS) by sending malformed requests, potentially causing stack overflow.

Patches

Users should upgrade to 2.1.1

Workarounds

None

Resources

🚨 Multer vulnerable to Denial of Service via incomplete cleanup

Impact

A vulnerability in Multer versions < 2.1.0 allows an attacker to trigger a Denial of Service (DoS) by sending malformed requests, potentially causing resource exhaustion.

Patches

Users should upgrade to 2.1.0

Workarounds

None

🚨 Multer vulnerable to Denial of Service via resource exhaustion

Impact

A vulnerability in Multer versions < 2.1.0 allows an attacker to trigger a Denial of Service (DoS) by dropping connection during file upload, potentially causing resource exhaustion.

Patches

Users should upgrade to 2.1.0

Workarounds

None

🚨 Multer vulnerable to Denial of Service via unhandled exception from malformed request

Impact

A vulnerability in Multer versions >= 1.4.4-lts.1, < 2.0.2 allows an attacker to trigger a Denial of Service (DoS) by sending a malformed request. This request causes an unhandled exception, leading to a crash of the process.

Patches

Users should upgrade to 2.0.2

Workarounds

None

🚨 Multer vulnerable to Denial of Service via unhandled exception

Impact

A vulnerability in Multer versions >=1.4.4-lts.1, <2.0.1 allows an attacker to trigger a Denial of Service (DoS) by sending an upload file request with an empty string field name. This request causes an unhandled exception, leading to a crash of the process.

Patches

Users should upgrade to 2.0.1

Workarounds

None

References

35a3272
#1233
#1256

Release Notes

2.1.0

Important

What's Changed

New Contributors

Full Changelog: v2.0.2...v2.1.0

2.0.2

Important

Full Changelog: v2.0.1...v2.0.2

2.0.1

Important

What's Changed

New Contributors

Full Changelog: v2.0.0...v.2.0.1

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

Commits

See the full diff on Github. The new version differs by 39 commits:

↗️ concat-stream (indirect, 1.6.2 → 2.0.0) · Repo

Commits

See the full diff on Github. The new version differs by 2 commits:

↗️ readable-stream (indirect, 2.3.8 → 3.6.2) · Repo

Release Notes

3.6.2

What's Changed

Full Changelog: v3.6.1...v3.6.2

3.6.0

  • Fix babel loose mode for classes and update to Node v10.19.0 #428 by @ljharb

3.5.0

  • Update to Node v10.18.1 #420

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

Commits

See the full diff on Github. The new version differs by more commits than we can show here.

↗️ string_decoder (indirect, 1.1.1 → 1.3.0) · Repo

Commits

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

🗑️ isarray (removed)

🗑️ minimist (removed)

🗑️ mkdirp (removed)

🗑️ object-assign (removed)

🗑️ process-nextick-args (removed)

🗑️ xtend (removed)

🗑️ core-util-is (removed)

🗑️ safe-buffer (removed)


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@depfu depfu bot added the depfu label Mar 5, 2026
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