CVE-2023-22792
HIGH7.5EPSS 2.3%ReDoS based DoS vulnerability in Action Dispatch
Published: 1/18/2023Modified: 4/28/2026
Description
A regular expression based DoS vulnerability in Action Dispatch <6.0.6.1,< 6.1.7.1, and <7.0.4.1. Specially crafted cookies, in combination with a specially crafted X_FORWARDED_HOST header can cause the regular expression engine to enter a state of catastrophic backtracking. This can cause the process to use large amounts of CPU and memory, leading to a possible DoS vulnerability All users running an affected release should either upgrade or use one of the workarounds immediately.
Affected packages (2)
- Debian/railsfrom 0, < 2:6.0.3.7+dfsg-2+deb11u1
- RubyGems/actionpack>= 3.0.0, < 5.2.8.15
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References (9)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2023-22792
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2023-22792
- PATCHhttps://github.com/rails/rails
- WEBhttps://discuss.rubyonrails.org/t/cve-2023-22792-possible-redos-based-dos-vulnerability-in-action-dispatch/82115
- WEBhttps://github.com/rails/rails/releases/tag/v7.0.4.1
- WEBhttps://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2023-22792.yml
- WEBhttps://rubyonrails.org/2023/1/17/Rails-Versions-6-0-6-1-6-1-7-1-7-0-4-1-have-been-released
- WEBhttps://security.netapp.com/advisory/ntap-20240202-0007
- WEBhttps://www.debian.org/security/2023/dsa-5372