{"id":"CVE-2018-18854","aliases":["EUVD-2018-0769","GHSA-q8xj-8xg3-w432"],"status":"published","title":"Uncontrolled Resource Consumption in spray-json","description":"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).","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01897,"percentile":0.79789,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-400"],"published":"2018-10-31T05:00:00Z","modified":"2026-10-20T10:49:53Z","fixes":[{"ecosystem":"Maven","package":"io.spray:spray-json_2.12","fixed_in":["1.3.5"],"sources":["ghsa","osv"]},{"ecosystem":"Maven","package":"io.spray:spray-json_2.11","fixed_in":["1.3.5"],"sources":["ghsa","osv"]},{"ecosystem":"Maven","package":"io.spray:spray-json_2.10","fixed_in":["1.3.5"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"io.spray:spray-json_2.12","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.5"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"io.spray:spray-json_2.11","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.5"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"io.spray:spray-json_2.10","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.5"}]}]},{"source":"osv","ecosystem":"Maven","package":"io.spray:spray-json_2.12","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.5"}]}],"versions":["1.3.2","1.3.3","1.3.4"]},{"source":"osv","ecosystem":"Maven","package":"io.spray:spray-json_2.11","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.5"}]}],"versions":["1.2.6","1.3.0","1.3.1","1.3.2","1.3.3","1.3.4"]},{"source":"osv","ecosystem":"Maven","package":"io.spray:spray-json_2.10","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.5"}]}],"versions":["1.2.5","1.2.6","1.3.0","1.3.1","1.3.2","1.3.3","1.3.4"]}],"products":[{"vendor":"lightbend","product":"spray-json"}],"references":[{"url":"https://github.com/spray/spray-json/issues/277","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-18854","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-q8xj-8xg3-w432","tags":["advisory"]},{"url":"https://github.com/spray/spray-jso","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2018-18854","description":"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).","status":"published","published":"2018-10-31T05:00:00Z","modified":"2024-08-05T11:23:08.869Z","updated_at":"2026-11-02T14:35:11.799349Z"}],"euvd":[{"id":"EUVD-2018-0769","description":"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).","status":"published","published":"2018-10-31T05:00:00Z","modified":"2024-08-05T11:23:08Z","updated_at":"2026-11-03T02:39:35.233033Z"}],"ghsa":[{"id":"GHSA-q8xj-8xg3-w432","title":"Uncontrolled Resource Consumption in spray-json","description":"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).","status":"published","published":"2018-11-09T17:41:35Z","modified":"2023-01-09T05:04:19Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:36:09.554044Z"}],"nvd":[{"id":"CVE-2018-18854","description":"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).","status":"published","published":"2018-10-31T05:29:00.297Z","modified":"2026-06-17T01:48:01.463Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:04:47.196456Z"}],"osv":[{"id":"CVE-2018-18854","description":"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).","status":"published","published":"2018-10-31T05:29:00.297Z","modified":"2026-10-20T10:49:53.86091824Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:08.834469Z"},{"id":"GHSA-q8xj-8xg3-w432","title":"Uncontrolled Resource Consumption in spray-json","description":"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).","status":"published","published":"2018-11-09T17:41:35Z","modified":"2023-11-08T04:00:06.160395Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:46:54.40888Z"}]}}