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CVE-2023-22792

7.5 high SSVC exploitation: none Modified
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 2

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 7.5 · rubyonrailsNVD modified 2026-10-24 13:10

Affected (CPE criteria) 1

  • cpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:*

References 6