GHSA-535W-7CP7-47Q4 multer vulnerable to Denial of Service via oversized array index in field names

Impact multer is vulnerable to a Denial of Service DoS via a crafted array index in multipart field names. The append-field dependency parses bracket notation in field names, and a large numeric index such as items4294967294 forces allocation of a maximum-length sparse array. A following field wi...

Linux Distros Unpatched Vulnerability : CVE-2026-5079

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Impact: multer versions 1.0.0 through 2.1.1 and 3.0.0-alpha.1 are vulnerable to a Denial of Service via deeply nested field names in multipart form data. The...

CVE-2026-77078: Uncaught Exception

multer is a middleware for handling multipart/form-data in Node.js. A small multipart request containing two specially crafted text field names can cause an uncaught RangeError Invalid array length that terminates the Node.js process. The first field uses a very large numeric array index to...

CVE-2026-5079: Uncontrolled Resource Consumption

Impact: multer versions 1.0.0 through 2.1.1 and 3.0.0-alpha.1 are vulnerable to a Denial of Service via deeply nested field names in multipart form data. The append-field dependency parses bracket notation in field names with no limit on nesting depth, allowing an attacker to force allocation of...