{"id":"CVE-2023-31906","aliases":["EUVD-2023-36195","GHSA-44q9-g282-869g","UBUNTU-CVE-2023-31906"],"status":"published","title":"Jerryscript 3.0.0(commit 1a2c047) was discovered to contain a heap-buffer-overflow via the...","description":"Jerryscript 3.0.0(commit 1a2c047) was discovered to contain a heap-buffer-overflow via the component lexer_compare_identifier_to_chars at /jerry-core/parser/js/js-lexer.c.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/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":0.00317,"percentile":0.24906,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2023-05-10T00:00:00Z","modified":"2026-10-28T02:31:01Z","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/5066","tags":["x_transferred","Exploit","Issue Tracking","Patch","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-31906","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-44q9-g282-869g"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/31xxx/CVE-2023-31906.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-31906","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-31906","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-31906","description":"Jerryscript 3.0.0(commit 1a2c047) was discovered to contain a heap-buffer-overflow via the component lexer_compare_identifier_to_chars at /jerry-core/parser/js/js-lexer.c.","status":"published","published":"2023-05-10T00:00:00Z","modified":"2025-01-27T17:16:33.187Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:35:27.430605Z"}],"euvd":[{"id":"EUVD-2023-36195","description":"Jerryscript 3.0.0(commit 1a2c047) was discovered to contain a heap-buffer-overflow via the component lexer_compare_identifier_to_chars at /jerry-core/parser/js/js-lexer.c.","status":"published","published":"2023-05-10T00:00:00Z","modified":"2025-01-27T17:16:33Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:04:13.087176Z"}],"ghsa":[{"id":"GHSA-44q9-g282-869g","title":"Jerryscript 3.0.0(commit 1a2c047) was discovered to contain a heap-buffer-overflow via the...","description":"Jerryscript 3.0.0(commit 1a2c047) was discovered to contain a heap-buffer-overflow via the component lexer_compare_identifier_to_chars at /jerry-core/parser/js/js-lexer.c.","status":"published","published":"2023-05-10T15:30:22Z","modified":"2024-04-04T04:01:00Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:56:20.636792Z"}],"nvd":[{"id":"CVE-2023-31906","description":"Jerryscript 3.0.0(commit 1a2c047) was discovered to contain a heap-buffer-overflow via the component lexer_compare_identifier_to_chars at /jerry-core/parser/js/js-lexer.c.","status":"published","published":"2023-05-10T15:15:10.187Z","modified":"2026-06-17T05:57:39.533Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:08:01.131774Z"}],"osv":[{"id":"CVE-2023-31906","description":"Jerryscript 3.0.0(commit 1a2c047) was discovered to contain a heap-buffer-overflow via the component lexer_compare_identifier_to_chars at /jerry-core/parser/js/js-lexer.c.","status":"published","published":"2023-05-10T00:00:00Z","modified":"2026-10-28T02:31:01.138096508Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:31.790231Z"},{"id":"UBUNTU-CVE-2023-31906","description":"Jerryscript 3.0.0(commit 1a2c047) was discovered to contain a heap-buffer-overflow via the component lexer_compare_identifier_to_chars at /jerry-core/parser/js/js-lexer.c.","status":"published","published":"2023-05-10T15:15:00Z","modified":"2026-04-22T14:02:59.919658Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:54:20.997471Z"}]}}