CVE-2023-22795
Published: Feb 9, 2023
Modified: Aug 2, 2024
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.
| Vendor | Product | Versions |
|---|---|---|
n/a | https://github.com/rails/rails | affected 6.1.7.1, 7.0.4.1 |
Weaknesses (CWE)
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