Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1 allows an HTTP Response Splitting attack. An attacker can inject a crafted key and value into an HTTP response for the HTTP server of WEBrick.
| Software | From | Fixed in |
|---|---|---|
| ruby-lang / ruby | 2.3.0 | 2.3.7 |
| ruby-lang / ruby | 2.4.0 | 2.4.4 |
| ruby-lang / ruby | 2.5.0 | 2.5.1 |
| ruby-lang / ruby | 2.6.0-preview1 | 2.6.0-preview1.x |
| ruby-lang / ruby | 2.2.0 | 2.2.10 |
| debian / debian_linux | 7.0 | 7.0.x |