PT-2025-22069 · Multer · Multer

Max-Mathieu · Published 2025-05-19 · Updated 2025-12-16 · CVE-2025-47944

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions: Multer versions 1.4.4-lts.1 through 1.4.4-lts.x and versions prior to 2.0.0

Description: A Denial of Service (DoS) issue is present, allowing an attacker to trigger a crash of the process by sending a malformed multi-part upload request, causing an unhandled exception. This issue affects the handling of multipart/form-data.

Recommendations: For versions 1.4.4-lts.1 through 1.4.4-lts.x and versions prior to 2.0.0, upgrade to version 2.0.0 to receive a patch. At the moment, there is no information about other workarounds for this issue.

Exploit

Fix

DoS

Weakness Enumeration

CWE-248

Related Identifiers

CVE-2025-47944

GHSA-4PG4-QVPC-4Q3H

Affected Products

Multer

References · 15

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/47xxx/CVE-2025-47944.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-47944 · Security Note
• https://osv.dev/vulnerability/CVE-2025-47944 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-APP-NPM-CVE-2025-47944 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-4pg4-qvpc-4q3h · Vendor Advisory
• https://github.com/expressjs/multer · Note
• https://github.com/expressjs/multer/security/advisories/GHSA-4pg4-qvpc-4q3h · Note
• https://github.com/expressjs/multer/commit/2c8505f207d923dd8de13a9f93a4563e59933665 · Note
• https://github.com/expressjs/multer/issues/1176 · Note
• https://t.me/cvetracker/24277 · Telegram Post
• https://twitter.com/UndercodeNews/status/1924834270339645834 · Twitter Post
• https://twitter.com/CVEnew/status/1924553782647783583 · Twitter Post
• https://twitter.com/vulert_official/status/1934591901182603480 · Twitter Post
• https://twitter.com/kom_256/status/1924517495576175078 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1924600286737232335 · Twitter Post