CVE-2023-37140

Name: CVE-2023-37140
Creator: NVD / NIST
Published: 2023-07-18T20:15:09.79+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.76%

Last modified Jun 17, 2026

CVE-2023-37140 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. ChakraCore branch master cbb9b was discovered to contain a segmentation violation via the function Js::DiagScopeVariablesWalker::GetChildrenCount().. EPSS estimates a 0.76% chance of exploitation in the next 30 days.

Description

ChakraCore branch master cbb9b was discovered to contain a segmentation violation via the function Js::DiagScopeVariablesWalker::GetChildrenCount().

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.76%

50.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions
Microsoft	Chakracore	All versions

References

https://github.com/chakra-core/ChakraCore/issues/6885Exploit, Issue Tracking, Third Party Advisory
https://github.com/chakra-core/ChakraCore/issues/6885Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Jul 18, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-37140?

ChakraCore branch master cbb9b was discovered to contain a segmentation violation via the function Js::DiagScopeVariablesWalker::GetChildrenCount().

How severe is CVE-2023-37140?

CVE-2023-37140 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.76% probability of exploitation in the next 30 days.

How do I fix CVE-2023-37140?

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-2023-37140?

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

Scan your code now

Source: NVD / NIST