CVE-2023-22792
HIGH
MEDIUM
Priority: 0.13
BB Relevance:
75/100
Published: 2023-02-09
Modified: 2026-10-24
First seen: 2026-10-29
Status: active
Attack Surface
Network
Low Complexity
No Auth
No Interaction
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
None
UI:
None
S:
Unchanged
C:
None
I:
None
A:
High
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 Software (1)
| Vendor | Product | Version |
|---|---|---|
| rubyonrails | rails | 3.0.0 – 6.0.6.1 |
References & Advisories (3)
Patch
Vendor Advisory