CVE-2024-26142.yml

---
gem: actionpack
framework: rails
cve: 2024-26142
ghsa: jjhx-jhvp-74wq
url: https://discuss.rubyonrails.org/t/possible-redos-vulnerability-in-accept-header-parsing-in-action-dispatch/84946
title: Possible ReDoS vulnerability in Accept header parsing in Action Dispatch
date: 2024-02-21
description: |
  There is a possible ReDoS vulnerability in the Accept header parsing routines
  of Action Dispatch. This vulnerability has been assigned the CVE identifier
  CVE-2024-26142.

  Versions Affected: >= 7.1.0, < 7.1.3.1 Not affected: < 7.1.0 Fixed Versions: 7.1.3.1

  # Impact

  Carefully crafted Accept headers can cause Accept header parsing in
  Action Dispatch to take an unexpected amount of time, possibly resulting in a
  DoS vulnerability. All users running an affected release should either upgrade
  or use one of the workarounds immediately.

  Ruby 3.2 has mitigations for this problem, so Rails applications using
  Ruby 3.2 or newer are unaffected.

  # Releases

  The fixed releases are available at the normal locations.

  # Workarounds

  There are no feasible workarounds for this issue.
unaffected_versions:
  - "< 7.1.0"
patched_versions:
  - ">= 7.1.3.1"