{"id":"CVE-2021-33448","aliases":["EUVD-2021-20152","GHSA-pxr7-xpvp-73cx"],"status":"published","title":"An issue was discovered in mjs(mJS: Restricted JavaScript engine), ES6 (JavaScript version 6)....","description":"An issue was discovered in mjs(mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is stack buffer overflow at 0x7fffe9049390.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00338,"percentile":0.27459,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2022-07-26T12:26:42Z","modified":"2026-10-20T10:54:43Z","products":[{"vendor":"cesanta","product":"mjs"}],"references":[{"url":"https://github.com/cesanta/mjs/issues/170","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33448"},{"url":"https://github.com/advisories/GHSA-pxr7-xpvp-73cx"}],"sources":{"cve":[{"id":"CVE-2021-33448","description":"An issue was discovered in mjs(mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is stack buffer overflow at 0x7fffe9049390.","status":"published","published":"2022-07-26T12:26:42Z","modified":"2024-08-03T23:50:42.779Z","updated_at":"2026-11-02T14:33:10.204494Z"}],"euvd":[{"id":"EUVD-2021-20152","description":"An issue was discovered in mjs(mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is stack buffer overflow at 0x7fffe9049390.","status":"published","published":"2022-07-26T12:26:42Z","modified":"2024-08-03T23:50:42Z","updated_at":"2026-11-03T03:24:34.304953Z"}],"ghsa":[{"id":"GHSA-pxr7-xpvp-73cx","title":"An issue was discovered in mjs(mJS: Restricted JavaScript engine), ES6 (JavaScript version 6)....","description":"An issue was discovered in mjs(mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is stack buffer overflow at 0x7fffe9049390.","status":"published","published":"2022-07-27T00:00:46Z","modified":"2023-01-27T05:07:31Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:43:08.293944Z"}],"nvd":[{"id":"CVE-2021-33448","description":"An issue was discovered in mjs(mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is stack buffer overflow at 0x7fffe9049390.","status":"published","published":"2022-07-26T13:15:09.043Z","modified":"2026-06-17T03:54:34.19Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:06.501652Z"}],"osv":[{"id":"CVE-2021-33448","description":"An issue was discovered in mjs(mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is stack buffer overflow at 0x7fffe9049390.","status":"published","published":"2022-07-26T13:15:09.043Z","modified":"2026-10-20T10:54:43.866333975Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:19.793849Z"}]}}