VDB

CISA-2023-22792

CISA-2023-22792 PUBLISHED CVSS 7.5 HIGH

Reported by hackerone · Published February 9, 2023

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.

Risk Scores

CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersions
n/ahttps://github.com/rails/rails6.0.6.1, 6.1.7.1, 7.0.4.1
n/ahttps://github.com/rails/rails*, *

Timeline

  • Feb 9, 2023 CVE Published
  • Mar 24, 2025 CVE Updated
  • Apr 26, 2026 Distribution Patch
  • Apr 26, 2026 Security Advisory

References

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