CVE-2023-22796 (published 2023-02-09T00:00:00)
A regular expression based DoS vulnerability in Active Support <6.1.7.1 and <7.0.4.1. A specially crafted string passed to the underscore method 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.
Affected products: Vendor: n/a
Product: https://github.com/rails/rails
Versions: 6.1.7.1, 7.0.4.1