multer
2.5.0 · 22 Oct 2026MIT30.7M / weekRepositoryHomepagenpmAtom feed
Upgrading multer From 1.4.0 to 2.3.0
11 releases in betweenevery note read
Before you upgrade
Tick each one off as you go- breaking2.0.0
- breaking2.0.0
Security
2 advisories still affect 2.3.0
- multer vulnerable to Denial of Service via orphaned disk writes on aborted uploadsmoderate · GHSA-3pph-fpjx-jg34
- multer vulnerable to Denial of Service via a pending asynchronous fileFilter after request teardownhigh · GHSA-q7qp-rjg7-q26m
Upgrading to 2.5.0 clears them.
Fixes 8 advisories affecting 1.4.0
- Multer vulnerable to Denial of Service via memory leaks from unclosed streamshigh · GHSA-44fp-w29j-9vj5
- multer vulnerable to Denial of Service via oversized array index in field nameshigh · GHSA-535w-7cp7-47q4
- Multer Vulnerable to Denial of Service via Uncontrolled Recursionhigh · GHSA-5528-5vmv-3xc2
- Multer vulnerable to Denial of Service via deeply nested field nameshigh · GHSA-72gw-mp4g-v24j
- multer vulnerable to file size limit bypass via async fileFilter race conditionlow · GHSA-qvfw-j98x-7q72
- Multer vulnerable to Denial of Service via resource exhaustionhigh · GHSA-v52c-386h-88mc
- multer vulnerable to Denial of Service via crafted multipart field nameshigh · GHSA-wc9g-mqfw-jrwm
- Multer vulnerable to Denial of Service via incomplete cleanuphigh · GHSA-xf7r-hgr6-v32p
- 2.3.0
- 2.3.0
- 2.3.0
- 2.3.0
- 2.2.0
- 2.2.0
- 2.1.1
- 2.1.0
- 2.1.0
- 2.0.2
Release by release
- security
- security
- security
- security
- security
- security
- security
- fixed
Fix error/abort handling
- security
- security
- new
Add Turkish translation (README-tr.md)
- security
- security
- new
Add Arabic translation for README ..
- fixed
Fix a mistake with README-pt-br.md
- security
- security
- breaking
The minimum supported Node version is now 10.16.0
- breaking
🐛 drain stream. fixes regression in node 18, remove old CI, set minimum node version, fix readme badges, add .npmrc
- fixed
Handle two busboy error events
- fixed
Bugfix: Handle missing field names
- fixed
23 other lines we could not sort, mostly version bumps
- 2.3.0
Update busboy link pointing to nonexistent section
- 2.3.0
Update outdated links to Express error handling guide
- 2.3.0
Update 'README-zh-cn.md' up to now
- 2.1.0
headers-support-utf8
- 2.0.1
Update README.md to fix issue #1114
- 2.0.1
Improved documentation translation to Spanish
- 2.0.1
Translated to french
- 2.0.1
Improve the Brazilian Portuguese translation
- 2.0.1
Update in Readme-pt-br and fix in Readme-ko
- 2.0.1
Documentation: Remove unfortunate abbreviation from readme
69 internal lines (docs, tests, tooling) left out.