CVE-2021-26199

6.5 mediumEPSS 0.9%

Medium (6.5) in jerryscript jerryscript. EPSS 0.9% chance of exploitation in the next 30 days.

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.

Severity

6.5 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 58% of CVEs (scores of 2026-10-31)
CWE: CWE-416
Published: 2021-06-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19