CVE-2024-39316

Rack is a modular Ruby web server interface. Starting in version 3.1.0 and prior to version 3.1.5, Regular Expression Denial of Service (ReDoS) vulnerability exists in the `Rack::Request::Helpers` module when parsing HTTP Accept headers. This vulnerability can be exploited by an attacker sending specially crafted `Accept-Encoding` or `Accept-Language` headers, causing the server to spend excessive time processing the request and leading to a Denial of Service (DoS). The fix for CVE-2024-26146 was not applied to the main branch and thus while the issue was fixed for the Rack v3.0 release series, it was not fixed in the v3.1 release series until v3.1.5. Users of versions on the 3.1 branch should upgrade to version 3.1.5 to receive the fix.
Configurations

Configuration 1 (hide)

cpe:2.3:a:rack:rack:*:*:*:*:*:ruby:*:*

History

10 Oct 2025, 16:36

Type Values Removed Values Added
CPE cpe:2.3:a:rack:rack:*:*:*:*:*:ruby:*:*
References () https://github.com/rack/rack/commit/412c980450ca729ee37f90a2661f166a9665e058 - () https://github.com/rack/rack/commit/412c980450ca729ee37f90a2661f166a9665e058 - Patch
References () https://github.com/rack/rack/security/advisories/GHSA-54rr-7fvw-6x8f - () https://github.com/rack/rack/security/advisories/GHSA-54rr-7fvw-6x8f - Not Applicable
References () https://github.com/rack/rack/security/advisories/GHSA-cj83-2ww7-mvq7 - () https://github.com/rack/rack/security/advisories/GHSA-cj83-2ww7-mvq7 - Vendor Advisory
First Time Rack
Rack rack

Information

Published : 2024-07-02 16:15

Updated : 2025-10-10 16:36


NVD link : CVE-2024-39316

Mitre link : CVE-2024-39316

CVE.ORG link : CVE-2024-39316


JSON object : View

Products Affected

rack

  • rack
CWE
CWE-1333

Inefficient Regular Expression Complexity