CVE-2024-33255

Name: CVE-2024-33255
Creator: NVD / NIST
Published: 2024-04-26T15:15:49.13+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.2/10EPSS 0.27%

Last modified Jun 17, 2026

CVE-2024-33255 is a medium-severity vulnerability rated 6.2/10 on the CVSS scale. Jerryscript commit cefd391 was discovered to contain an Assertion Failure via ECMA_STRING_IS_REF_EQUALS_TO_ONE (string_p) in ecma_free_string_list.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.

Description

Jerryscript commit cefd391 was discovered to contain an Assertion Failure via ECMA_STRING_IS_REF_EQUALS_TO_ONE (string_p) in ecma_free_string_list.

Metrics

CVSS 3.1

6.2/10

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

EPSS Probability

0.27%

19.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-617

Affected Software

Vendor	Product	Versions
Jerryscript	Jerryscript	3.0.0

References

https://github.com/jerryscript-project/jerryscript/issues/5135Exploit, Issue Tracking
https://github.com/jerryscript-project/jerryscript/issues/5135Exploit, Issue Tracking

Timeline

Published: Apr 26, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-33255?

Jerryscript commit cefd391 was discovered to contain an Assertion Failure via ECMA_STRING_IS_REF_EQUALS_TO_ONE (string_p) in ecma_free_string_list.

How severe is CVE-2024-33255?

CVE-2024-33255 has a CVSS score of 6.2/10 (MEDIUM severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.

How do I fix CVE-2024-33255?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-33255?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST