{"id":"CVE-2021-33438","details":"An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is stack buffer overflow in json_parse_array() in mjs.c.","modified":"2026-07-09T00:05:55.893930Z","published":"2022-07-26T13:15:08.630Z","references":[{"type":"ADVISORY","url":"https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d"},{"type":"FIX","url":"https://github.com/cesanta/mjs/issues/158"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/cesanta/mjs","events":[{"introduced":"0"},{"fixed":"b1b6eac6b1e5b830a5cb14f8f4dc690ef3162551"}],"database_specific":{"cpe":"cpe:2.3:a:cesanta:mjs:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"2.20.0"}],"source":"CPE_RANGE"}}],"versions":["2.19.1","2.19.0","2.18.0","2.17.0","2.16.0","2.15.0","2.14.0","2.13.1","2.13.0","2.12.1","2.12.0","2.11.0","2.10.2","2.10.1","2.10.0","2.9.0","2.8.1","2.8.0","2.7.1","2.7.0","2.6.0","2.5.1","2.5","2.4.3","2.4.2","2.4.1","2.4","2.3","2.2","2.1","2.0","1.26","1.25","1.24","1.23","1.22.1","1.22","1.21","1.20.1","1.20","ddd","1.19.6","1.19.5","1.19.4","1.19.3","1.19.2","1.19.1","1.19","1.18","1.17","1.16","1.15","1.14","1.13","1.12","1.11","1.10","1.9","1.8","1.7","1.6","1.5"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-33438.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}