{"id":"CVE-2018-11418","aliases":["EUVD-2018-3449","GHSA-f9fv-pv8g-g96g","UBUNTU-CVE-2018-11418"],"status":"published","title":"An issue was discovered in JerryScript 1.0. There is a heap-based buffer over-read in the...","description":"An issue was discovered in JerryScript 1.0. There is a heap-based buffer over-read in the lit_read_code_unit_from_utf8 function via a RegExp(\"[\\\\u0020\") payload, related to re_parse_char_class in parser/regexp/re-parser.c.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01529,"percentile":0.74902,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2018-05-24T20:00:00Z","modified":"2026-10-20T10:47:10Z","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/2237","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-11418"},{"url":"https://github.com/advisories/GHSA-f9fv-pv8g-g96g"},{"url":"https://ubuntu.com/security/CVE-2018-11418","tags":["report"]},{"url":"https://github.com/jerryscript-project/jerryscript/pull/2352","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-11418","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-11418","description":"An issue was discovered in JerryScript 1.0. There is a heap-based buffer over-read in the lit_read_code_unit_from_utf8 function via a RegExp(\"[\\\\u0020\") payload, related to re_parse_char_class in parser/regexp/re-parser.c.","status":"published","published":"2018-05-24T20:00:00Z","modified":"2024-09-17T00:55:46.742Z","updated_at":"2026-11-02T14:35:09.570381Z"}],"euvd":[{"id":"EUVD-2018-3449","description":"An issue was discovered in JerryScript 1.0. There is a heap-based buffer over-read in the lit_read_code_unit_from_utf8 function via a RegExp(\"[\\\\u0020\") payload, related to re_parse_char_class in parser/regexp/re-parser.c.","status":"published","published":"2018-05-24T20:00:00Z","modified":"2024-09-17T00:55:46Z","updated_at":"2026-11-03T00:28:54.507992Z"}],"ghsa":[{"id":"GHSA-f9fv-pv8g-g96g","title":"An issue was discovered in JerryScript 1.0. There is a heap-based buffer over-read in the...","description":"An issue was discovered in JerryScript 1.0. There is a heap-based buffer over-read in the lit_read_code_unit_from_utf8 function via a RegExp(\"[\\\\u0020\") payload, related to re_parse_char_class in parser/regexp/re-parser.c.","status":"published","published":"2022-05-13T01:49:13Z","modified":"2023-02-02T05:01:52Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:51:16.795251Z"}],"nvd":[{"id":"CVE-2018-11418","description":"An issue was discovered in JerryScript 1.0. There is a heap-based buffer over-read in the lit_read_code_unit_from_utf8 function via a RegExp(\"[\\\\u0020\") payload, related to re_parse_char_class in parser/regexp/re-parser.c.","status":"published","published":"2018-05-24T20:29:00.353Z","modified":"2026-06-17T01:35:53.68Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:04:27.507872Z"}],"osv":[{"id":"CVE-2018-11418","description":"An issue was discovered in JerryScript 1.0. There is a heap-based buffer over-read in the lit_read_code_unit_from_utf8 function via a RegExp(\"[\\\\u0020\") payload, related to re_parse_char_class in parser/regexp/re-parser.c.","status":"published","published":"2018-05-24T20:29:00.353Z","modified":"2026-10-20T10:47:10.053427529Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:07.934182Z"},{"id":"UBUNTU-CVE-2018-11418","description":"An issue was discovered in JerryScript 1.0. There is a heap-based buffer over-read in the lit_read_code_unit_from_utf8 function via a RegExp(\"[\\\\u0020\") payload, related to re_parse_char_class in parser/regexp/re-parser.c.","status":"published","published":"2018-05-24T20:29:00Z","modified":"2026-04-22T11:41:30.721497Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:16.544091Z"}]}}