{"schema_version":1,"title":"QuickJS-NG vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 4 vulnerabilities in QuickJS-NG: 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-120440, was published on 2 November 2026. 3 vulnerabilities in the last four weeks, up from none in the four before. 1 technology has a page of its own.","url":"https://junglewise.ai/threats/vendors/quickjs-ng","json_url":"https://junglewise.ai/threats/vendors/quickjs-ng.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/vendors/quickjs-ng","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"vendor","thin":false,"counts":{"high":3,"all_time":4,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":3,"last_90_days":3,"last_365_days":4},"latest":[{"cve":"CVE-2026-120440","cvss":5.3,"slug":"cve-2026-120440-quickjs-ng-before-0-16-0-contains-a-memory-leak-vulnerability-in","title":"QuickJS-NG memory leak in Atomics.store()","severity":"medium","exploited":false,"published_at":"2026-11-02T15:17:26.103+00:00","url":"https://junglewise.ai/threats/cve-2026-120440-quickjs-ng-before-0-16-0-contains-a-memory-leak-vulnerability-in"},{"cve":"CVE-2026-120439","cvss":7,"slug":"cve-2026-120439-quickjs-ng-before-0-16-0-contains-an-integer-overflow-in-js","title":"QuickJS-NG integer overflow in TypedArray sort","severity":"high","exploited":false,"published_at":"2026-11-02T15:17:25.937+00:00","url":"https://junglewise.ai/threats/cve-2026-120439-quickjs-ng-before-0-16-0-contains-an-integer-overflow-in-js"},{"cve":"CVE-2026-120438","cvss":7.8,"slug":"cve-2026-120438-quickjs-ng-before-0-16-0-contains-an-integer-overflow-in-js","title":"QuickJS-NG integer overflow in Proxy ownKeys enumeration","severity":"high","exploited":false,"published_at":"2026-11-02T15:17:25.767+00:00","url":"https://junglewise.ai/threats/cve-2026-120438-quickjs-ng-before-0-16-0-contains-an-integer-overflow-in-js"},{"cve":"CVE-2026-37630","cvss":7.3,"slug":"cve-2026-37630-quickjs-ng-arbitrary-code-execution-in-js-mapped-arguments-mark","title":"QuickJS-NG arbitrary code execution in js_mapped_arguments_mark","severity":"high","exploited":false,"published_at":"2026-05-11T21:18:59.72+00:00","url":"https://junglewise.ai/threats/cve-2026-37630-quickjs-ng-arbitrary-code-execution-in-js-mapped-arguments-mark"}],"vendor":{"hub":true,"name":"QuickJS-NG","slug":"quickjs-ng","homepage":"https://github.com/quickjs-ng/quickjs-ng","description":"QuickJS-NG is an open-source project maintaining a modern fork of the QuickJS Javascript engine.","url":"https://junglewise.ai/threats/vendors/quickjs-ng"},"weekly":[{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-05","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-12","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-19","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-26","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":3},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":0}],"most_severe":[{"cve":"CVE-2026-120438","cvss":7.8,"slug":"cve-2026-120438-quickjs-ng-before-0-16-0-contains-an-integer-overflow-in-js","title":"QuickJS-NG integer overflow in Proxy ownKeys enumeration","severity":"high","exploited":false,"published_at":"2026-11-02T15:17:25.767+00:00","url":"https://junglewise.ai/threats/cve-2026-120438-quickjs-ng-before-0-16-0-contains-an-integer-overflow-in-js"},{"cve":"CVE-2026-37630","cvss":7.3,"slug":"cve-2026-37630-quickjs-ng-arbitrary-code-execution-in-js-mapped-arguments-mark","title":"QuickJS-NG arbitrary code execution in js_mapped_arguments_mark","severity":"high","exploited":false,"published_at":"2026-05-11T21:18:59.72+00:00","url":"https://junglewise.ai/threats/cve-2026-37630-quickjs-ng-arbitrary-code-execution-in-js-mapped-arguments-mark"},{"cve":"CVE-2026-120439","cvss":7,"slug":"cve-2026-120439-quickjs-ng-before-0-16-0-contains-an-integer-overflow-in-js","title":"QuickJS-NG integer overflow in TypedArray sort","severity":"high","exploited":false,"published_at":"2026-11-02T15:17:25.937+00:00","url":"https://junglewise.ai/threats/cve-2026-120439-quickjs-ng-before-0-16-0-contains-an-integer-overflow-in-js"},{"cve":"CVE-2026-120440","cvss":5.3,"slug":"cve-2026-120440-quickjs-ng-before-0-16-0-contains-a-memory-leak-vulnerability-in","title":"QuickJS-NG memory leak in Atomics.store()","severity":"medium","exploited":false,"published_at":"2026-11-02T15:17:26.103+00:00","url":"https://junglewise.ai/threats/cve-2026-120440-quickjs-ng-before-0-16-0-contains-a-memory-leak-vulnerability-in"}],"generated_at":"2026-11-10T03:07:00.198065+00:00","technologies":[{"name":"QuickJS-NG","slug":"quickjs-ng","vulnerabilities":4,"url":"https://junglewise.ai/threats/technologies/quickjs-ng"}]}