A flaw was found in Undertow that can cause remote denial of service attacks. When the server uses the FormEncodedDataDefinition.doParse(StreamSourceChannel) method to parse large form data encoding with application/x-www-form-urlencoded, the method will cause an OutOfMemory issue. This flaw allows unauthorized users to cause a remote denial of service (DoS) attack.
| Version | Type | Source | Base | Exp | Imp |
|---|---|---|---|---|---|
| 3.1 | Primary | cve.org | 7.5 | — | — |
| 3.1 | Primary | cve.org | 7.5 | — | — |
| 3.1 | Primary | cve.org | 7.5 | — | — |
| 3.1 | Primary | cve.org | 7.5 | — | — |
| 3.1 | Primary | cve.org | 7.5 | — | — |
| 3.1 | Secondary | GHSA | 7.5 | — | — |
| 3.1 | Secondary | ENISA EUVD | 7.5 | — | — |
| 3.1 | Secondary | NVD | 7.5 | 3.9 | 3.6 |