{"id":"CVE-2021-41959","aliases":["EUVD-2021-28952","GHSA-cwgv-434w-9fvv","UBUNTU-CVE-2021-41959"],"status":"published","title":"JerryScript Git version 14ff5bf does not sufficiently track and release allocated memory via...","description":"JerryScript Git version 14ff5bf does not sufficiently track and release allocated memory via jerry-core/ecma/operations/ecma-regexp-object.c after RegExp, which causes a memory leak.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01193,"percentile":0.68415,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-401"],"published":"2022-05-03T10:48:22Z","modified":"2026-06-17T04:09:05Z","affected":[{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"iotjs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0+715-1ubuntu2"]}],"products":[{"vendor":"jerryscript","product":"jerryscript"}],"references":[{"url":"https://github.com/jerryscript-project/jerryscript/issues/4781","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://github.com/jerryscript-project/jerryscript/pull/4787","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41959"},{"url":"https://github.com/advisories/GHSA-cwgv-434w-9fvv"},{"url":"https://ubuntu.com/security/CVE-2021-41959","tags":["report"]},{"url":"https://github.com/jerryscript-project/jerryscript/pull/4166","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-41959","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-41959","description":"JerryScript Git version 14ff5bf does not sufficiently track and release allocated memory via jerry-core/ecma/operations/ecma-regexp-object.c after RegExp, which causes a memory leak.","status":"published","published":"2022-05-03T10:48:22Z","modified":"2024-08-04T03:22:25.557Z","updated_at":"2026-11-02T14:32:59.430294Z"}],"euvd":[{"id":"EUVD-2021-28952","description":"JerryScript Git version 14ff5bf does not sufficiently track and release allocated memory via jerry-core/ecma/operations/ecma-regexp-object.c after RegExp, which causes a memory leak.","status":"published","published":"2022-05-03T10:48:22Z","modified":"2024-08-04T03:22:25Z","updated_at":"2026-11-03T03:24:16.784119Z"}],"ghsa":[{"id":"GHSA-cwgv-434w-9fvv","title":"JerryScript Git version 14ff5bf does not sufficiently track and release allocated memory via...","description":"JerryScript Git version 14ff5bf does not sufficiently track and release allocated memory via jerry-core/ecma/operations/ecma-regexp-object.c after RegExp, which causes a memory leak.","status":"published","published":"2022-05-04T00:00:24Z","modified":"2023-02-01T05:01:33Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T14:49:44.873647Z"}],"nvd":[{"id":"CVE-2021-41959","description":"JerryScript Git version 14ff5bf does not sufficiently track and release allocated memory via jerry-core/ecma/operations/ecma-regexp-object.c after RegExp, which causes a memory leak.","status":"published","published":"2022-05-03T11:15:07.13Z","modified":"2026-06-17T04:09:05.72Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/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-401"],"updated_at":"2026-11-02T14:07:06.029737Z"}],"osv":[{"id":"UBUNTU-CVE-2021-41959","description":"JerryScript Git version 14ff5bf does not sufficiently track and release allocated memory via jerry-core/ecma/operations/ecma-regexp-object.c after RegExp, which causes a memory leak.","status":"published","published":"2022-05-03T11:15:00Z","modified":"2026-04-22T13:01:17.166107Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:29.220315Z"}]}}