{"id":"CVE-2023-36109","aliases":["EUVD-2023-40088","GHSA-7fm9-3h22-jxvh","UBUNTU-CVE-2023-36109"],"status":"published","title":"Buffer Overflow vulnerability in JerryScript version 3.0, allows remote attackers to execute...","description":"Buffer Overflow vulnerability in JerryScript version 3.0, allows remote attackers to execute arbitrary code via ecma_stringbuilder_append_raw component at /jerry-core/ecma/base/ecma-helpers-string.c.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.02368,"percentile":0.84028,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-120"],"published":"2023-09-20T00:00:00Z","modified":"2026-10-28T02:31:13Z","exploits":[{"source":"pocgithub","id":"Limesss/CVE-2023-36109","title":"Limesss/CVE-2023-36109","date":"2023-09-20","url":"https://github.com/Limesss/CVE-2023-36109"}],"affected":[{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"iotjs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0-1"]},{"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/5080","tags":["x_transferred","Exploit","Issue Tracking","report"]},{"url":"https://github.com/Limesss/CVE-2023-36109/tree/main","tags":["x_transferred","Exploit","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-36109","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-7fm9-3h22-jxvh"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/36xxx/CVE-2023-36109.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-36109","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-36109","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-36109","description":"Buffer Overflow vulnerability in JerryScript version 3.0, allows remote attackers to execute arbitrary code via ecma_stringbuilder_append_raw component at /jerry-core/ecma/base/ecma-helpers-string.c.","status":"published","published":"2023-09-20T00:00:00Z","modified":"2024-09-25T14:26:40.178Z","updated_at":"2026-11-02T14:35:28.218693Z"}],"euvd":[{"id":"EUVD-2023-40088","description":"Buffer Overflow vulnerability in JerryScript version 3.0, allows remote attackers to execute arbitrary code via ecma_stringbuilder_append_raw component at /jerry-core/ecma/base/ecma-helpers-string.c.","status":"published","published":"2023-09-20T00:00:00Z","modified":"2024-09-25T14:26:40Z","updated_at":"2026-11-03T00:28:12.924195Z"}],"ghsa":[{"id":"GHSA-7fm9-3h22-jxvh","title":"Buffer Overflow vulnerability in JerryScript version 3.0, allows remote attackers to execute...","description":"Buffer Overflow vulnerability in JerryScript version 3.0, allows remote attackers to execute arbitrary code via ecma_stringbuilder_append_raw component at /jerry-core/ecma/base/ecma-helpers-string.c.","status":"published","published":"2023-09-21T00:31:16Z","modified":"2024-04-04T07:47:17Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:56:54.849147Z"}],"nvd":[{"id":"CVE-2023-36109","description":"Buffer Overflow vulnerability in JerryScript version 3.0, allows remote attackers to execute arbitrary code via ecma_stringbuilder_append_raw component at /jerry-core/ecma/base/ecma-helpers-string.c.","status":"published","published":"2023-09-20T22:15:12.75Z","modified":"2026-06-17T06:05:47.497Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:08:29.595868Z"}],"osv":[{"id":"UBUNTU-CVE-2023-36109","description":"Buffer Overflow vulnerability in JerryScript version 3.0, allows remote attackers to execute arbitrary code via ecma_stringbuilder_append_raw component at /jerry-core/ecma/base/ecma-helpers-string.c.","status":"published","published":"2023-09-20T22:15:00Z","modified":"2026-04-22T14:09:17.642875Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T16:54:21.882004Z"},{"id":"CVE-2023-36109","description":"Buffer Overflow vulnerability in JerryScript version 3.0, allows remote attackers to execute arbitrary code via ecma_stringbuilder_append_raw component at /jerry-core/ecma/base/ecma-helpers-string.c.","status":"published","published":"2023-09-20T00:00:00Z","modified":"2026-10-28T02:31:13.484403011Z","updated_at":"2026-11-02T15:44:32.510144Z"}]}}