{"id":"CVE-2022-31018","state":"PUBLISHED","title":"Denial of service binding form from JSON in Play Framework","description":"Play Framework is a web framework for Java and Scala. A denial of service vulnerability has been discovered in verions 2.8.3 through 2.8.15 of Play's forms library, in both the Scala and Java APIs. This can occur when using either the `Form#bindFromRequest` method on a JSON request body or the `Form#bind` method directly on a JSON value. If the JSON data being bound to the form contains a deeply-nested JSON object or array, the form binding implementation may consume all available heap space and cause an `OutOfMemoryError`. If executing on the default dispatcher and `akka.jvm-exit-on-fatal-error` is enabled—as it is by default—then this can crash the application process. `Form.bindFromRequest` is vulnerable when using any body parser that produces a type of `AnyContent` or `JsValue` in Scala, or one that can produce a `JsonNode` in Java. This includes Play's default body parser. This vulnerability been patched in version 2.8.16. There is now a global limit on the depth of a JSON object that can be parsed, which can be configured by the user if necessary. As a workaround, applications that do not need to parse a request body of type `application/json` can switch from the default body parser to another body parser that supports only the specific type of body they expect.","publishedAt":"2022-06-02T16:45:13.000Z","updatedAt":"2025-04-23T18:20:02.455Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["playframework playframework"],"affected":[{"vendor":"playframework","product":"playframework","versions":[{"version":">= 2.8.3, < 2.8.16","status":"affected"}]}],"references":["https://github.com/playframework/playframework/security/advisories/GHSA-v8x6-59g4-5g3w","https://github.com/playframework/playframework/pull/11301","https://github.com/playframework/playframework/releases/tag/2.8.16"],"weaknesses":["CWE-400"],"ingestedAt":"2026-10-29T19:50:06.617Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/31xxx/CVE-2022-31018.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-31018","state":"PUBLISHED","datePublished":"2022-06-02T16:45:13.000Z","dateUpdated":"2025-04-23T18:20:02.455Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2022-05-18T00:00:00.000Z"},"containers":{"cna":{"title":"Denial of service binding form from JSON in Play Framework","descriptions":[{"lang":"en","value":"Play Framework is a web framework for Java and Scala. 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