{"id":"CVE-2014-10064","aliases":["CLSA-2026-1775694706","CLSA-2026-1791373797","CLSA-2026-1793015893","DEBIAN-CVE-2014-10064","EUVD-2018-0589","GHSA-f9cm-p3w6-xvr3","UBUNTU-CVE-2014-10064"],"status":"published","title":"Denial-of-Service Extended Event Loop Blocking in qs","description":"The qs module before 1.0.0 does not have an option or default for specifying object depth and when parsing a string representing a deeply nested object will block the event loop for long periods of time. An attacker could leverage this to cause a temporary denial-of-service condition, for example, in a web application, other requests would not be processed while this blocking is occurring.","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":0.01351,"percentile":0.71739,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-399","CWE-400"],"published":"2018-05-31T20:00:00Z","modified":"2026-10-26T13:30:02Z","fixes":[{"ecosystem":"npm","package":"qs","fixed_in":["1.0.0"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"node-qs","fixed_in":["2.2.4-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"node-qs","fixed_in":["2.2.4-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"node-qs","fixed_in":["2.2.4-1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.0"}]}]},{"source":"osv","ecosystem":"TuxCare:npm","package":"qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.5.1-tuxcare.0"},{"fixed":"0.5.1-tuxcare.1"}]}],"versions":["0.5.1"],"bundled":4},{"source":"osv","ecosystem":"TuxCare:npm","package":"qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.6.5-tuxcare.0"},{"fixed":"0.6.5-tuxcare.1"}]}],"versions":["0.6.5"],"bundled":5},{"source":"osv","ecosystem":"TuxCare:npm","package":"qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.4.2-tuxcare.0"},{"fixed":"0.4.2-tuxcare.1"}]}],"versions":["0.4.2"],"bundled":5},{"source":"osv","ecosystem":"Debian:12","package":"node-qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.4-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"node-qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.4-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"node-qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.4-1"}]}]},{"source":"osv","ecosystem":"npm","package":"qs","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.0.0"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"node-qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.2-1","0.6.5-1","0.6.5-1ubuntu0.1~esm1"]}],"products":[{"vendor":"hackerone","product":"qs node module"},{"vendor":"qs_project","product":"qs"}],"references":[{"url":"https://nodesecurity.io/advisories/28","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2014-10064","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-f9cm-p3w6-xvr3","tags":["advisory"]},{"url":"https://www.npmjs.com/advisories/28","tags":["web"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2014-10064","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2014-10064","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2014-10064","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2014-10064","description":"The qs module before 1.0.0 does not have an option or default for specifying object depth and when parsing a string representing a deeply nested object will block the event loop for long periods of time. An attacker could leverage this to cause a temporary denial-of-service condition, for example, in a web application, other requests would not be processed while this blocking is occurring.","status":"published","published":"2018-05-31T20:00:00Z","modified":"2024-09-17T00:36:04.821Z","cwes":["CWE-400"],"updated_at":"2026-11-02T14:33:42.219637Z"}],"euvd":[{"id":"EUVD-2018-0589","description":"The qs module before 1.0.0 does not have an option or default for specifying object depth and when parsing a string representing a deeply nested object will block the event loop for long periods of time. An attacker could leverage this to cause a temporary denial-of-service condition, for example, in a web application, other requests would not be processed while this blocking is occurring.","status":"published","published":"2018-05-31T20:00:00Z","modified":"2024-09-17T00:36:04Z","updated_at":"2026-11-03T00:28:57.378482Z"}],"ghsa":[{"id":"GHSA-f9cm-p3w6-xvr3","title":"Denial-of-Service Extended Event Loop Blocking in qs","description":"Versions prior to 1.0.0 of `qs` are affected by a denial of service vulnerability that results from excessive recursion in parsing a deeply nested JSON string.\n\n\n\n\n## Recommendation\n\nUpdate to version 1.0.0 or later","status":"published","published":"2018-10-09T00:38:48Z","modified":"2023-01-09T05:02:52Z","cwes":["CWE-400"],"updated_at":"2026-11-02T14:36:03.768255Z"}],"nvd":[{"id":"CVE-2014-10064","description":"The qs module before 1.0.0 does not have an option or default for specifying object depth and when parsing a string representing a deeply nested object will block the event loop for long periods of time. An attacker could leverage this to cause a temporary denial-of-service condition, for example, in a web application, other requests would not be processed while this blocking is occurring.","status":"published","published":"2018-05-31T20:29:00.22Z","modified":"2026-06-17T00:04:10.407Z","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","CWE-399"],"updated_at":"2026-11-02T14:02:59.001778Z"}],"osv":[{"id":"CVE-2014-10064","description":"The qs module before 1.0.0 does not have an option or default for specifying object depth and when parsing a string representing a deeply nested object will block the event loop for long periods of time. An attacker could leverage this to cause a temporary denial-of-service condition, for example, in a web application, other requests would not be processed while this blocking is occurring.","status":"published","published":"2018-05-31T20:29:00Z","modified":"2026-04-10T03:43:34.504498Z","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":"2026-11-02T15:43:59.361892Z"},{"id":"DEBIAN-CVE-2014-10064","description":"The qs module before 1.0.0 does not have an option or default for specifying object depth and when parsing a string representing a deeply nested object will block the event loop for long periods of time. An attacker could leverage this to cause a temporary denial-of-service condition, for example, in a web application, other requests would not be processed while this blocking is occurring.","status":"published","published":"2018-05-31T20:29:00.22Z","modified":"2026-10-23T16:01:18.31619804Z","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":"2026-11-02T15:45:25.819707Z"},{"id":"UBUNTU-CVE-2014-10064","description":"The qs module before 1.0.0 does not have an option or default for specifying object depth and when parsing a string representing a deeply nested object will block the event loop for long periods of time. An attacker could leverage this to cause a temporary denial-of-service condition, for example, in a web application, other requests would not be processed while this blocking is occurring.","status":"published","published":"2018-05-31T20:29:00Z","modified":"2025-09-08T16:43:18Z","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":"2026-11-02T15:54:07.855521Z"},{"id":"CLSA-2026-1775694706","title":"TuxCare security update for qs (4 CVEs)","description":"TuxCare rebuilt qs to address 4 CVEs. Fixed in 0.5.1-tuxcare.1.","status":"published","published":"2026-08-04T14:52:23Z","modified":"2026-10-22T14:31:00.423552886Z","updated_at":"2026-11-02T15:43:44.009773Z"},{"id":"CLSA-2026-1791373797","title":"TuxCare security update for qs (5 CVEs)","description":"TuxCare rebuilt qs to address 5 CVEs. Fixed in 0.6.5-tuxcare.1.","status":"published","published":"2026-10-07T11:49:57Z","modified":"2026-10-15T09:47:39.392238291Z","updated_at":"2026-11-02T15:43:49.016976Z"},{"id":"CLSA-2026-1793015893","title":"TuxCare security update for qs (5 CVEs)","description":"TuxCare rebuilt qs to address 5 CVEs. Fixed in 0.4.2-tuxcare.1.","status":"published","published":"2026-10-26T11:58:13Z","modified":"2026-10-26T13:30:02.537397809Z","updated_at":"2026-11-02T15:43:54.981307Z"},{"id":"GHSA-f9cm-p3w6-xvr3","title":"Denial-of-Service Extended Event Loop Blocking in qs","description":"Versions prior to 1.0.0 of `qs` are affected by a denial of service vulnerability that results from excessive recursion in parsing a deeply nested JSON string.\n\n\n\n\n## Recommendation\n\nUpdate to version 1.0.0 or later","status":"published","published":"2018-10-09T00:38:48Z","modified":"2023-11-08T03:57:33.533771Z","cwes":["CWE-400"],"updated_at":"2026-11-02T15:46:46.39441Z"}]}}