vulnerability
Ruby on Rails: Inefficient Regular Expression Complexity (CVE-2024-26142)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:N/I:N/A:C) | Feb 27, 2024 | Feb 17, 2025 | Apr 7, 2026 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Feb 27, 2024
Added
Feb 17, 2025
Modified
Apr 7, 2026
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.
Solution
ruby-on-rails-upgrade-7_1_3_1
References
- CVE-2024-26142
- https://attackerkb.com/topics/CVE-2024-26142
- CWE-1333
- EUVD-EUVD-2024-0663
- https://discuss.rubyonrails.org/t/possible-redos-vulnerability-in-accept-header-parsing-in-action-dispatch/84946
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2024-0663
- https://github.com/rails/rails/commit/b4d3bfb5ed8a5b5a90aad3a3b28860c7a931e272
- https://github.com/rails/rails/security/advisories/GHSA-jjhx-jhvp-74wq
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2024-26142.yml
- https://security.netapp.com/advisory/ntap-20240503-0003/
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