{"id":"CVE-2021-26195","aliases":["EUVD-2021-13012","GHSA-cwvq-w8fq-x88c","UBUNTU-CVE-2021-26195"],"status":"published","title":"An issue was discovered in JerryScript 2.4.0. There is a heap-buffer-overflow in...","description":"An issue was discovered in JerryScript 2.4.0. There is a heap-buffer-overflow in lexer_parse_number in js-lexer.c file.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01124,"percentile":0.66679,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2021-06-10T22:14:49Z","modified":"2026-10-20T10:53:40Z","affected":[{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"iotjs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"iotjs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0+715-1ubuntu2"]}],"products":[{"vendor":"jerryscript","product":"jerryscript"}],"references":[{"url":"https://github.com/jerryscript-project/jerryscript/issues/4442","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","fix","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26195"},{"url":"https://github.com/advisories/GHSA-cwvq-w8fq-x88c"},{"url":"https://ubuntu.com/security/CVE-2021-26195","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-26195","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-26195","description":"An issue was discovered in JerryScript 2.4.0. There is a heap-buffer-overflow in lexer_parse_number in js-lexer.c file.","status":"published","published":"2021-06-10T22:14:49Z","modified":"2024-08-03T20:19:20.121Z","updated_at":"2026-11-02T14:32:57.033395Z"}],"euvd":[{"id":"EUVD-2021-13012","description":"An issue was discovered in JerryScript 2.4.0. There is a heap-buffer-overflow in lexer_parse_number in js-lexer.c file.","status":"published","published":"2021-06-10T22:14:49Z","modified":"2024-08-03T20:19:20Z","updated_at":"2026-11-03T03:24:51.962182Z"}],"ghsa":[{"id":"GHSA-cwvq-w8fq-x88c","title":"An issue was discovered in JerryScript 2.4.0. There is a heap-buffer-overflow in...","description":"An issue was discovered in JerryScript 2.4.0. There is a heap-buffer-overflow in lexer_parse_number in js-lexer.c file.","status":"published","published":"2022-05-24T19:05:13Z","modified":"2023-01-29T05:07:01Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:46:08.233339Z"}],"nvd":[{"id":"CVE-2021-26195","description":"An issue was discovered in JerryScript 2.4.0. There is a heap-buffer-overflow in lexer_parse_number in js-lexer.c file.","status":"published","published":"2021-06-10T23:15:08.37Z","modified":"2026-06-17T03:42:55.95Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:54.439974Z"}],"osv":[{"id":"CVE-2021-26195","description":"An issue was discovered in JerryScript 2.4.0. There is a heap-buffer-overflow in lexer_parse_number in js-lexer.c file.","status":"published","published":"2021-06-10T23:15:08.37Z","modified":"2026-10-20T10:53:40.583060374Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:18.778776Z"},{"id":"UBUNTU-CVE-2021-26195","description":"An issue was discovered in JerryScript 2.4.0. There is a heap-buffer-overflow in lexer_parse_number in js-lexer.c file.","status":"published","published":"2021-06-10T23:15:00Z","modified":"2026-04-22T12:49:59.12415Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:26.779273Z"}]}}