{"id":"CVE-2021-26198","aliases":["EUVD-2021-13015","GHSA-93vf-q5pw-fx2x","UBUNTU-CVE-2021-26198"],"status":"published","title":"An issue was discovered in JerryScript 2.4.0. There is a SEVG in ecma_deref_bigint in ecma...","description":"An issue was discovered in JerryScript 2.4.0. There is a SEVG in ecma_deref_bigint in ecma-helpers.c file.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/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":0.00856,"percentile":0.58813,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-06-10T22:15:00Z","modified":"2026-10-20T10:54:34Z","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/4402","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","fix","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26198"},{"url":"https://github.com/advisories/GHSA-93vf-q5pw-fx2x"},{"url":"https://ubuntu.com/security/CVE-2021-26198","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-26198","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-26198","description":"An issue was discovered in JerryScript 2.4.0. There is a SEVG in ecma_deref_bigint in ecma-helpers.c file.","status":"published","published":"2021-06-10T22:15:00Z","modified":"2024-08-03T20:19:20.063Z","updated_at":"2026-11-02T14:32:57.033395Z"}],"euvd":[{"id":"EUVD-2021-13015","description":"An issue was discovered in JerryScript 2.4.0. There is a SEVG in ecma_deref_bigint in ecma-helpers.c file.","status":"published","published":"2021-06-10T22:15:00Z","modified":"2024-08-03T20:19:20Z","updated_at":"2026-11-03T03:24:51.962182Z"}],"ghsa":[{"id":"GHSA-93vf-q5pw-fx2x","title":"An issue was discovered in JerryScript 2.4.0. There is a SEVG in ecma_deref_bigint in ecma...","description":"An issue was discovered in JerryScript 2.4.0. There is a SEVG in ecma_deref_bigint in ecma-helpers.c file.","status":"published","published":"2022-05-24T19:05:12Z","modified":"2023-01-29T05:07:59Z","updated_at":"2026-11-02T14:46:12.058225Z"}],"nvd":[{"id":"CVE-2021-26198","description":"An issue was discovered in JerryScript 2.4.0. There is a SEVG in ecma_deref_bigint in ecma-helpers.c file.","status":"published","published":"2021-06-10T23:15:08.433Z","modified":"2026-06-17T03:42:56.817Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/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"}],"updated_at":"2026-11-02T14:06:54.439974Z"}],"osv":[{"id":"CVE-2021-26198","description":"An issue was discovered in JerryScript 2.4.0. There is a SEVG in ecma_deref_bigint in ecma-helpers.c file.","status":"published","published":"2021-06-10T23:15:08.433Z","modified":"2026-10-20T10:54:34.240390622Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:18.778776Z"},{"id":"UBUNTU-CVE-2021-26198","description":"An issue was discovered in JerryScript 2.4.0. There is a SEVG in ecma_deref_bigint in ecma-helpers.c file.","status":"published","published":"2021-06-10T23:15:00Z","modified":"2026-04-22T12:49:00.345504Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:26.779273Z"}]}}