CVE-2025-7339

Published Jul 17, 2025

Last updated a day ago

Overview

Description
on-headers is a node.js middleware for listening to when a response writes headers. A bug in on-headers versions `<1.1.0` may result in response headers being inadvertently modified when an array is passed to `response.writeHead()`. Users should upgrade to version 1.1.0 to receive a patch. Uses are strongly encouraged to upgrade to `1.1.0`, but this issue can be worked around by passing an object to `response.writeHead()` rather than an array.
Source
ce714d77-add3-4f53-aff5-83d477b104bb
NVD status
Awaiting Analysis

Risk scores

CVSS 3.1

Type
Secondary
Base score
3.4
Impact score
2.5
Exploitability score
0.8
Vector string
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
Severity
LOW

Weaknesses

ce714d77-add3-4f53-aff5-83d477b104bb
CWE-241

Social media

Hype score
Not currently trending