Severity
7.5HIGHNVD
NVD6.6
EPSS
3.6%
top 12.15%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedFeb 9
Latest updateJun 5

Description

There is a denial of service vulnerability in the Content-Disposition parsingcomponent of Rack fixed in 2.0.9.2, 2.1.4.2, 2.2.4.1, 3.0.0.1. This could allow an attacker to craft an input that can cause Content-Disposition header parsing in Rackto take an unexpected amount of time, possibly resulting in a denial ofservice attack vector. This header is used typically used in multipartparsing. Any applications that parse multipart posts using Rack (virtuallyall Rails applications) are impacted.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages4 packages

NVDrack/rack2.0.02.0.9.2+4
RubyGemsrack/rack3.1.03.1.16+4
CVEListV5rack/rack>= 3.1.0, < 3.1.16
CVEListV5https/github.com_rack_rack2.0.9.2, 2.1.4.2, 2.2.4.1, 3.0.0.1

Patches

🔴Vulnerability Details

10
GHSA
ReDoS Vulnerability in Rack::Multipart handle_mime_head2025-06-05
OSV
ReDoS Vulnerability in Rack::Multipart handle_mime_head2025-06-05
OSV
CVE-2025-49007: Rack is a modular Ruby web server interface2025-06-04
CVEList
ReDoS Vulnerability in Rack::Multipart handle_mime_head2025-06-04
OSV
ruby-rack vulnerabilities2024-09-26

📋Vendor Advisories

6
Red Hat
rack: rubygem-rack: Rack Content-Disposition Denial of Service2025-06-04
Debian
CVE-2025-49007: ruby-rack - Rack is a modular Ruby web server interface. Starting in version 3.1.0 and prior...2025
Ubuntu
Rack vulnerabilities2024-09-26
Ubuntu
Rack vulnerabilities2023-03-02
Red Hat
rubygem-rack: denial of service in Content-Disposition parsing2023-01-20

💬Community

1
HackerOne
[CVE-2022-44571] Possible Denial of Service Vulnerability in Rack Content-Disposition parsing2023-07-27
CVE-2022-44571 — Uncontrolled Resource Consumption | cvebase