{"id":"CVE-2021-26199","details":"An issue was discovered in JerryScript 2.4.0. There is a heap-use-after-free in ecma_bytecode_ref in ecma-helpers.c file.","modified":"2026-07-08T23:57:29.671770Z","published":"2021-06-10T23:15:08.467Z","references":[{"type":"FIX","url":"https://github.com/jerryscript-project/jerryscript/issues/4056"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/jerryscript-project/jerryscript","events":[{"introduced":"8ba0d1b6ee5a065a42f3b306771ad8e3c0d819bc"},{"last_affected":"8ba0d1b6ee5a065a42f3b306771ad8e3c0d819bc"}],"database_specific":{"cpe":"cpe:2.3:a:jerryscript:jerryscript:2.4.0:*:*:*:*:*:*:*","extracted_events":[{"introduced":"2.4.0"},{"last_affected":"2.4.0"}],"source":"CPE_STRING"}}],"versions":["2.4.0","v2.4.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-26199.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}