CVE-2019-0911 Out-of-bounds write
Remote attackers can execute arbitrary code by exploiting a memory corruption flaw in the Microsoft browser scripting engine.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2019-0911?
CVE-2019-0911 is a high-severity memory corruption vulnerability in Microsoft Chakracore, published on 16 May 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 the scripting engine handles objects in memory in Microsoft browsers, aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2019-0884, CVE-2019-0918.
Weakness: CWE-787
Which versions are affected by CVE-2019-0911?
2 open source packages ship an affected version, including Microsoft.ChakraCore. It affects 3 products.
| Package | Affected | Fixed in |
|---|---|---|
Microsoft.ChakraCore NuGet | All versions | 1.11.9 |
Microsoft.ChakraCore NuGet | All versions | 1.11.9 |
Products include Microsoft Chakracore, Microsoft Edge, Microsoft Internet Explorer.
How do I fix CVE-2019-0911?
Upgrade Microsoft.ChakraCore to 1.11.9 or later.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-0911 being exploited?
There is no known exploitation of CVE-2019-0911 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Chakracore
Sources
Also known as GHSA-9735-p6r2-2hgh.