CVE-2021-46342 — MEDIUM (5.5)

Vulnerability Description

There is an Assertion 'ecma_is_lexical_environment (obj_p) || !ecma_op_object_is_fast_array (obj_p)' failed at /jerry-core/ecma/base/ecma-helpers.c in JerryScript 3.0.0.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Jerryscript	Jerryscript	3.0.0

Related Weaknesses (CWE)

CWE-617

References

https://github.com/jerryscript-project/jerryscript/issues/4934ExploitIssue TrackingPatch
https://github.com/jerryscript-project/jerryscript/issues/4934ExploitIssue TrackingPatch

FAQ

What is CVE-2021-46342?

CVE-2021-46342 is a vulnerability with a CVSS score of 5.5 (MEDIUM). There is an Assertion 'ecma_is_lexical_environment (obj_p) || !ecma_op_object_is_fast_array (obj_p)' failed at /jerry-core/ecma/base/ecma-helpers.c in JerryScript 3.0.0.

How severe is CVE-2021-46342?

CVE-2021-46342 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-46342?

Check the references section above for vendor advisories and patch information. Affected products include: Jerryscript Jerryscript.