CVE-2023-22795
- State
- Published
- Severity
- Not scored
- Published
- Feb 9, 2023
- Updated
- Aug 2, 2024
- Reserved
- Jan 6, 2023
Description
A regular expression based DoS vulnerability in Action Dispatch <6.1.7.1 and <7.0.4.1 related to the If-None-Match header. A specially crafted HTTP If-None-Match header can cause the regular expression engine to enter a state of catastrophic backtracking, when on a version of Ruby below 3.2.0. 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.
Scores
The record has no CVSS score.
Weaknesses
- CWE-400 Denial of Service (CWE-400)
Affected Products
| Product | Versions |
|---|---|
https://github.com/rails/railsn/a |
|
References
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.