{"id":"CVE-2020-23257","aliases":["EUVD-2020-16008","GHSA-jv2f-j4fc-4c7g"],"status":"published","title":"Buffer Overflow vulnerability found in Espruino 2v05.41 allows an attacker to cause a denial of...","description":"Buffer Overflow vulnerability found in Espruino 2v05.41 allows an attacker to cause a denial of service via the function jsvGarbageCollectMarkUsed in file src/jsvar.c.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00869,"percentile":0.59202,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2023-04-04T00:00:00Z","modified":"2026-06-17T03:04:37Z","products":[{"vendor":"espruino","product":"espruino"}],"references":[{"url":"https://github.com/espruino/Espruino/issues/1820","tags":["x_transferred","Exploit","Issue Tracking"]},{"url":"http://www.espruino.com/","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-23257"},{"url":"http://www.espruino.com"},{"url":"https://github.com/advisories/GHSA-jv2f-j4fc-4c7g"}],"sources":{"cve":[{"id":"CVE-2020-23257","description":"Buffer Overflow vulnerability found in Espruino 2v05.41 allows an attacker to cause a denial of service via the function jsvGarbageCollectMarkUsed in file src/jsvar.c.","status":"published","published":"2023-04-04T00:00:00Z","modified":"2025-02-13T16:28:32.722Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:35:48.854892Z"}],"euvd":[{"id":"EUVD-2020-16008","description":"Buffer Overflow vulnerability found in Espruino 2v05.41 allows an attacker to cause a denial of service via the function jsvGarbageCollectMarkUsed in file src/jsvar.c.","status":"published","published":"2023-04-04T00:00:00Z","modified":"2025-02-13T16:28:32Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T00:03:52.752782Z"}],"ghsa":[{"id":"GHSA-jv2f-j4fc-4c7g","title":"Buffer Overflow vulnerability found in Espruino 2v05.41 allows an attacker to cause a denial of...","description":"Buffer Overflow vulnerability found in Espruino 2v05.41 allows an attacker to cause a denial of service via the function jsvGarbageCollectMarkUsed in file src/jsvar.c.","status":"published","published":"2023-04-04T15:30:27Z","modified":"2025-02-13T18:32:32Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:59:55.900946Z"}],"nvd":[{"id":"CVE-2020-23257","description":"Buffer Overflow vulnerability found in Espruino 2v05.41 allows an attacker to cause a denial of service via the function jsvGarbageCollectMarkUsed in file src/jsvar.c.","status":"published","published":"2023-04-04T15:15:08.263Z","modified":"2026-06-17T03:04:37.393Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:06:47.910346Z"}]}}