CVE-2021-33437

MEDIUM

mJS/ES6 - Memory Corruption

Title source: llm

Description

An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There are memory leaks in frozen_cb() in mjs.c.

References (2)

Scores

CVSS v3 5.5
EPSS 0.0005
EPSS Percentile 14.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Classification

CWE
CWE-401
Status published

Affected Products (1)

cesanta/mjs < 2.20.0

Timeline

Published Jul 26, 2022
Tracked Since Feb 18, 2026