CVE-2021-26199 — MEDIUM (6.5)

Vulnerability Description

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.

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Jerryscript	Jerryscript	2.4.0

Related Weaknesses (CWE)

CWE-416

References

https://github.com/jerryscript-project/jerryscript/issues/4056ExploitIssue TrackingPatch
https://github.com/jerryscript-project/jerryscript/issues/4056ExploitIssue TrackingPatch

FAQ

What is CVE-2021-26199?

CVE-2021-26199 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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.

How severe is CVE-2021-26199?

CVE-2021-26199 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-26199?

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