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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| rails | rails | >= 7.1.0, < 7.1.3.1 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | rails | No fix yet | — |
| Ubuntu 26.04 LTS | rails | No fix yet | — |
| Ubuntu 25.10 | rails | No fix yet | — |
| Ubuntu 24.04 LTS | rails | No fix yet | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | rails | No fix yet | — |
| Ubuntu Pro 20.04 LTS | rails | No fix yet | — |
| Ubuntu Pro 18.04 LTS | rails | No fix yet | — |
| Ubuntu Pro 16.04 LTS | rails | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| RubyGems | actionpack | >= 7.1.0, < 7.1.3.1 | 7.1.3.1 | GHSA-jjhx-jhvp-74wq |
Advisories 1
- WID-SEC-2024-0462 Ruby on Rails: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 16, 2025
References
- https://github.com/rails/rails/security/advisories/GHSA-jjhx-jhvp-74wq
- https://github.com/rails/rails/commit/b4d3bfb5ed8a5b5a90aad3a3b28860c7a931e272
- https://discuss.rubyonrails.org/t/possible-redos-vulnerability-in-accept-header-parsing-in-action-dispatch/84946
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2024-26142.yml
- https://security.netapp.com/advisory/ntap-20240503-0003/