CVE-2024-26142

Rails possible ReDoS vulnerability in Accept header parsing in Action Dispatch

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 2.32% Top 20%
Vendor Advisory rubyonrails.org Vendor Advisory github.com
Affected: rails rails
Published at:
Updated at:

References

Link Tags
https://github.com/rails/rails/security/advisories/GHSA-jjhx-jhvp-74wq vendor advisory
https://github.com/rails/rails/commit/b4d3bfb5ed8a5b5a90aad3a3b28860c7a931e272 patch
https://discuss.rubyonrails.org/t/possible-redos-vulnerability-in-accept-header-parsing-in-action-dispatch/84946 vendor advisory
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2024-26142.yml third party advisory
https://security.netapp.com/advisory/ntap-20240503-0003/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2024-26142?
CVE-2024-26142 has been scored as a high severity vulnerability.
How to fix CVE-2024-26142?
To fix CVE-2024-26142, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-26142 being actively exploited in the wild?
It is possible that CVE-2024-26142 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-26142?
CVE-2024-26142 affects rails rails.
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