CVE-2023-37140 Denial of service in n/a

What is CVE-2023-37140?

CVE-2023-37140 is a medium-severity denial of service vulnerability in Microsoft Chakracore, published on 18 Jul 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

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

Weakness: CWE-400

Which versions are affected by CVE-2023-37140?

It affects 1 product.

Products include Microsoft Chakracore.

How do I fix CVE-2023-37140?

No fix has been published for CVE-2023-37140 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-37140 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-37140 exists.

Other vulnerabilities in Microsoft Chakracore

• CVE-2018-8298 ChakraCore Scripting Engine Type Confusion Exploited High 7.5
• CVE-2020-0878 Microsoft Edge and Internet Explorer Memory Corruption Exploited Medium 4.2
• CVE-2018-8500 ChakraCore RCE Vulnerability Critical 9.8
• CVE-2017-11767 ChakraCore vulnerable to privilege escalation Critical 9.8
• CVE-2017-8658 ChakraCore RCE Vulnerability Critical 9.8

All Microsoft Chakracore vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-2gwp-9c3q-r4hm.