{"id":"CVE-2018-18854","details":"Lightbend Spray spray-json through 1.3.4 allows remote attackers to cause a denial of service (resource consumption) because of Algorithmic Complexity during the parsing of many JSON object fields (with keys that have the same hash code).","aliases":["GHSA-q8xj-8xg3-w432"],"modified":"2026-07-08T17:17:00.783610Z","published":"2018-10-31T05:29:00.297Z","references":[{"type":"EVIDENCE","url":"https://github.com/spray/spray-json/issues/277"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/spray/spray-json","events":[{"introduced":"0"},{"last_affected":"9f100db9e3e39ddb4c2606720841652334634e6c"}],"database_specific":{"cpe":"cpe:2.3:a:lightbend:spray-json:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"1.3.4"}],"source":"CPE_RANGE"}}],"versions":["v1.3.4","v1.3.3","v1.3.2-2.12","v1.3.2","v1.3.1","v1.3.0","v1.2.6","v1.2.5","v1.2.4","v1.2.3","v1.2.2","v1.2.1","v1.2","v1.1.1","v1.1.0","v1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-18854.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}