CVE-2024-25126

Rack is a modular Ruby web server interface. Carefully crafted content type headers can cause Rack’s media type parser to take much longer than expected, leading to a possible denial of service vulnerability (ReDos 2nd degree polynomial). This vulnerability is patched in 3.0.9.1 and 2.2.8.1.

• CWE-1333
• CWE-1333

• https://discuss.rubyonrails.org/t/denial-of-service-vulnerability-in-rack-content-type-parsing/84941Exploit, Vendor Advisory
• https://github.com/rack/rack/commit/6efb2ceea003c4b195815a614e00438cbd543462Patch
• https://github.com/rack/rack/commit/d9c163a443b8cadf4711d84bd2c58cb9ef89cf49Patch
• https://github.com/rack/rack/security/advisories/GHSA-22f2-v57c-j9cxExploit, Vendor Advisory
• https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2024-25126.ymlExploit, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2024/04/msg00022.htmlMailing List
• https://security.netapp.com/advisory/ntap-20240510-0005/Third Party Advisory
• https://discuss.rubyonrails.org/t/denial-of-service-vulnerability-in-rack-content-type-parsing/84941Exploit, Vendor Advisory
• https://github.com/rack/rack/commit/6efb2ceea003c4b195815a614e00438cbd543462Patch
• https://github.com/rack/rack/commit/d9c163a443b8cadf4711d84bd2c58cb9ef89cf49Patch
• https://github.com/rack/rack/security/advisories/GHSA-22f2-v57c-j9cxExploit, Vendor Advisory
• https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2024-25126.ymlExploit, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2024/04/msg00022.htmlMailing List
• https://security.netapp.com/advisory/ntap-20240510-0005/Third Party Advisory

Published

Feb 29, 2024

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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