CVE-2024-26142 HIGH

CVE-2024-26142: Rails possible ReDoS vulnerability in Accept header parsing in Action Dispatch

Vendor Rails
Product rails
Weakness CWE-1333
Published February 27, 2024
Last update February 13, 2025

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

Description

Rails is a web-application framework. Starting in version 7.1.0, there is a possible ReDoS vulnerability in the Accept header parsing routines of Action Dispatch. This vulnerability is patched in 7.1.3.1. Ruby 3.2 has mitigations for this problem, so Rails applications using Ruby 3.2 or newer are unaffected.

Key dates

Disclosure timeline

February 27, 2024 CVE published
February 13, 2025 Record updated