PT-2022-11517 · Unknown · Jerryscript

Ossy-Szeged · Published 2022-05-03 · Updated 2022-05-11 · CVE-2021-41959

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions JerryScript Git version 14ff5bf

Description The issue is related to a memory leak caused by insufficient tracking and release of allocated memory via jerry-core/ecma/operations/ecma-regexp-object.c after RegExp. This occurs in JerryScript Git version 14ff5bf.

Recommendations For JerryScript Git version 14ff5bf, consider applying a patch or fix that properly tracks and releases allocated memory after RegExp to prevent the memory leak. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

CVE-2021-41959

Affected Products

Jerryscript

References · 10

• 🔥 https://github.com/jerryscript-project/jerryscript/issues/4781 · Exploit
• 🔥 https://github.com/jerryscript-project/jerryscript/pull/4787 · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-41959 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-41959 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-41959 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-41959 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-41959 · Security Note
• https://github.com/jerryscript-project/jerryscript/pull/4166 · Note
• https://t.me/cvenotify/29995 · Telegram Post
• https://t.me/cibsecurity/41799 · Telegram Post