CVE-2024-26141

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

Rack is a modular Ruby web server interface. Carefully crafted Range headers can cause a server to respond with an unexpectedly large response. Responding with such large responses could lead to a denial of service issue. Vulnerable applications will use the `Rack::File` middleware or the `Rack::Utils.byte_ranges` methods (this includes Rails applications). The vulnerability is fixed in 3.0.9.1 and 2.2.8.1.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-400

Affected software

Vendor	Product	Versions
rack	rack	>= 3.0.0, < 3.0.9.1; >= 1.3.0, < 2.2.8.1
rack_project	rack	>= 3.0.0, < 3.0.9.1; >= 1.3.0, < 2.2.8.1

References

https://discuss.rubyonrails.org/t/possible-dos-vulnerability-with-range-header-in-rack/84944Exploit, Vendor Advisory
https://github.com/rack/rack/commit/4849132bef471adb21131980df745f4bb84de2d9Patch
https://github.com/rack/rack/commit/62457686b26d33a15a254c7768c2076e8e02b48bPatch
https://github.com/rack/rack/security/advisories/GHSA-xj5v-6v4g-jfw6Exploit, Vendor Advisory
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2024-26141.ymlExploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/04/msg00022.htmlMailing List
https://security.netapp.com/advisory/ntap-20240510-0007/Third Party Advisory
https://discuss.rubyonrails.org/t/possible-dos-vulnerability-with-range-header-in-rack/84944Exploit, Vendor Advisory
https://github.com/rack/rack/commit/4849132bef471adb21131980df745f4bb84de2d9Patch
https://github.com/rack/rack/commit/62457686b26d33a15a254c7768c2076e8e02b48bPatch
https://github.com/rack/rack/security/advisories/GHSA-xj5v-6v4g-jfw6Exploit, Vendor Advisory
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2024-26141.ymlExploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/04/msg00022.htmlMailing List
https://security.netapp.com/advisory/ntap-20240510-0007/Third Party Advisory

Timeline

Published: Feb 29, 2024
Last modified: Jun 17, 2026
NVD status: Analyzed

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