{"id":"CVE-2021-36535","aliases":["EUVD-2021-23137","GHSA-9mr9-jp9j-332h"],"status":"published","title":"Buffer Overflow vulnerability in Cesanta mJS 1.26 allows remote attackers to cause a denial of...","description":"Buffer Overflow vulnerability in Cesanta mJS 1.26 allows remote attackers to cause a denial of service via crafted .js file to mjs_set_errorf.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00372,"percentile":0.3156,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2023-02-03T00:00:00Z","modified":"2026-10-20T10:53:50Z","products":[{"vendor":"cesanta","product":"mjs"}],"references":[{"url":"https://github.com/cesanta/mjs/issues/175","tags":["x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36535"},{"url":"https://github.com/advisories/GHSA-9mr9-jp9j-332h"}],"sources":{"cve":[{"id":"CVE-2021-36535","description":"Buffer Overflow vulnerability in Cesanta mJS 1.26 allows remote attackers to cause a denial of service via crafted .js file to mjs_set_errorf.","status":"published","published":"2023-02-03T00:00:00Z","modified":"2025-03-26T16:21:34.58Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:33:06.32268Z"}],"euvd":[{"id":"EUVD-2021-23137","description":"Buffer Overflow vulnerability in Cesanta mJS 1.26 allows remote attackers to cause a denial of service via crafted .js file to mjs_set_errorf.","status":"published","published":"2023-02-03T00:00:00Z","modified":"2025-03-26T16:21:34Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T20:52:51.340114Z"}],"ghsa":[{"id":"GHSA-9mr9-jp9j-332h","title":"Buffer Overflow vulnerability in Cesanta mJS 1.26 allows remote attackers to cause a denial of...","description":"Buffer Overflow vulnerability in Cesanta mJS 1.26 allows remote attackers to cause a denial of service via crafted .js file to mjs_set_errorf.","status":"published","published":"2023-02-03T18:30:27Z","modified":"2023-02-09T21:30:29Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:54:00.189984Z"}],"nvd":[{"id":"CVE-2021-36535","description":"Buffer Overflow vulnerability in Cesanta mJS 1.26 allows remote attackers to cause a denial of service via crafted .js file to mjs_set_errorf.","status":"published","published":"2023-02-03T18:15:10.653Z","modified":"2026-06-17T03:58:54.163Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:07.323379Z"}],"osv":[{"id":"CVE-2021-36535","description":"Buffer Overflow vulnerability in Cesanta mJS 1.26 allows remote attackers to cause a denial of service via crafted .js file to mjs_set_errorf.","status":"published","published":"2023-02-03T18:15:10.653Z","modified":"2026-10-20T10:53:50.522900481Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:20.434873Z"}]}}