{"id":"CVE-2021-46477","aliases":["EUVD-2021-33153","GHSA-wv49-q2r3-4933"],"status":"published","title":"Jsish v3.5.0 was discovered to contain a heap buffer overflow via RegExp_constructor in src...","description":"Jsish v3.5.0 was discovered to contain a heap buffer overflow via RegExp_constructor in src/jsiRegexp.c. 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":0.00692,"percentile":0.53299,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2022-01-25T00:24:01Z","modified":"2026-06-17T04:14:55Z","products":[{"vendor":"jsish","product":"jsish"}],"references":[{"url":"https://github.com/pcmacdon/jsish/issues/63","tags":["x_refsource_MISC","x_transferred","Exploit","Patch","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-46477"},{"url":"https://github.com/advisories/GHSA-wv49-q2r3-4933"}],"sources":{"cve":[{"id":"CVE-2021-46477","description":"Jsish v3.5.0 was discovered to contain a heap buffer overflow via RegExp_constructor in src/jsiRegexp.c. This vulnerability can lead to a Denial of Service (DoS).","status":"published","published":"2022-01-25T00:24:01Z","modified":"2024-08-04T05:10:35.313Z","updated_at":"2026-11-02T14:33:03.320536Z"}],"euvd":[{"id":"EUVD-2021-33153","description":"Jsish v3.5.0 was discovered to contain a heap buffer overflow via RegExp_constructor in src/jsiRegexp.c. This vulnerability can lead to a Denial of Service (DoS).","status":"published","published":"2022-01-25T00:24:01Z","modified":"2024-08-04T05:10:35Z","updated_at":"2026-11-03T03:08:23.591313Z"}],"ghsa":[{"id":"GHSA-wv49-q2r3-4933","title":"Jsish v3.5.0 was discovered to contain a heap buffer overflow via RegExp_constructor in src...","description":"Jsish v3.5.0 was discovered to contain a heap buffer overflow via RegExp_constructor in src/jsiRegexp.c. This vulnerability can lead to a Denial of Service (DoS).","status":"published","published":"2022-01-26T00:01:59Z","modified":"2023-02-03T05:05:15Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:53:42.435671Z"}],"nvd":[{"id":"CVE-2021-46477","description":"Jsish v3.5.0 was discovered to contain a heap buffer overflow via RegExp_constructor in src/jsiRegexp.c. This vulnerability can lead to a Denial of Service (DoS).","status":"published","published":"2022-01-25T01:15:07.893Z","modified":"2026-06-17T04:14:55.777Z","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"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:03.821385Z"}]}}