CVE-2019-0639 High severity vulnerability that affects Microsoft.ChakraCore

What is CVE-2019-0639?

CVE-2019-0639 is a high-severity memory corruption vulnerability in Microsoft Internet Explorer, published on 8 Apr 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2019-0609, CVE-2019-0680, CVE-2019-0769, CVE-2019-0770, CVE-2019-0771, CVE-2019-0773, CVE-2019-0783.

Weakness: CWE-190

Which versions are affected by CVE-2019-0639?

2 open source packages ship an affected version, including Microsoft.ChakraCore. It affects 1 product.

Products include Microsoft Internet Explorer.

How do I fix CVE-2019-0639?

Upgrade Microsoft.ChakraCore to 1.11.7 or later.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-0639 being exploited?

There is no known exploitation of CVE-2019-0639 in the wild and no public exploit code.

Other vulnerabilities in Microsoft Internet Explorer

• CVE-2014-1776 Microsoft Internet Explorer Memory Corruption Exploited Critical 9.8
• CVE-2021-27085 Microsoft Internet Explorer Remote Code Execution Exploited High 8.8
• CVE-2017-0222 Microsoft Internet Explorer Remote Code Execution Exploited High 8.8
• CVE-2017-0210 Microsoft Internet Explorer Privilege Escalation Exploited High 8.8
• CVE-2017-0149 Microsoft Internet Explorer Memory Corruption Exploited High 8.8

All Microsoft Internet Explorer vulnerabilities

Sources

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

Also known as GHSA-6jf5-rmhv-38cw.