CVE-2019-1391 Denial of service in Windows

Medium 5.5 Published Updated

Attackers can cause a denial of service in Windows by exploiting improper memory object handling, affecting system availability.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-1391?

CVE-2019-1391 is a medium-severity denial of service vulnerability in Microsoft Windows 10, published on 12 Nov 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A denial of service vulnerability exists when Windows improperly handles objects in memory, aka 'Windows Denial of Service Vulnerability'. This CVE ID is unique from CVE-2018-12207.

Which versions are affected by CVE-2019-1391?

It affects 8 products.

Products include Microsoft Windows 10, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows Rt 8.1, Microsoft Windows Server 2008, Microsoft Windows Server 2012 and 2 more.

How do I fix CVE-2019-1391?

No fix has been published for CVE-2019-1391 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-2019-1391 being exploited?

There is no known exploitation of CVE-2019-1391 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-6659-x3qw-v7p5.

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