{"id":"CVE-2021-46539","aliases":["EUVD-2021-33215","GHSA-rqww-2fr9-72r5"],"status":"published","title":"Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via /lib/x86_64-linux-gnu/libc...","description":"Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via /lib/x86_64-linux-gnu/libc.so.6+0x45a1f. This vulnerability can lead to a Denial of Service (DoS).","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":"2026-11-11","score":0.00614,"percentile":0.49846,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2022-01-27T20:22:28Z","modified":"2026-10-20T10:54:14Z","products":[{"vendor":"cesanta","product":"mjs"}],"references":[{"url":"https://github.com/cesanta/mjs/issues/217","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-46539"},{"url":"https://github.com/advisories/GHSA-rqww-2fr9-72r5"}],"sources":{"cve":[{"id":"CVE-2021-46539","description":"Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via /lib/x86_64-linux-gnu/libc.so.6+0x45a1f. This vulnerability can lead to a Denial of Service (DoS).","status":"published","published":"2022-01-27T20:22:28Z","modified":"2024-08-04T05:10:34.941Z","updated_at":"2026-11-02T14:33:02.930115Z"}],"euvd":[{"id":"EUVD-2021-33215","description":"Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via /lib/x86_64-linux-gnu/libc.so.6+0x45a1f. This vulnerability can lead to a Denial of Service (DoS).","status":"published","published":"2022-01-27T20:22:28Z","modified":"2024-08-04T05:10:34Z","updated_at":"2026-11-03T03:08:23.591313Z"}],"ghsa":[{"id":"GHSA-rqww-2fr9-72r5","title":"Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via /lib/x86_64-linux-gnu/libc...","description":"Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via /lib/x86_64-linux-gnu/libc.so.6+0x45a1f. This vulnerability can lead to a Denial of Service (DoS).","status":"published","published":"2022-01-28T00:01:00Z","modified":"2023-02-03T05:05:17Z","updated_at":"2026-11-02T14:53:42.900002Z"}],"nvd":[{"id":"CVE-2021-46539","description":"Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via /lib/x86_64-linux-gnu/libc.so.6+0x45a1f. This vulnerability can lead to a Denial of Service (DoS).","status":"published","published":"2022-01-27T21:15:10.687Z","modified":"2026-06-17T04:15:07.857Z","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"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:07:04.178977Z"}],"osv":[{"id":"CVE-2021-46539","description":"Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via /lib/x86_64-linux-gnu/libc.so.6+0x45a1f. This vulnerability can lead to a Denial of Service (DoS).","status":"published","published":"2022-01-27T21:15:10.687Z","modified":"2026-10-20T10:54:14.184716884Z","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":"2026-11-02T15:44:22.18434Z"}]}}