CVE-2016-4639 Denial of service in n/a
Local attackers can cause a denial of service in the macOS Login Window due to improper memory initialization.
- 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-2016-4639?
CVE-2016-4639 is a high-severity denial of service vulnerability in Apple Mac Os X, published on 22 Jul 2016. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Login Window in Apple OS X before 10.11.6 does not properly initialize memory, which allows local users to cause a denial of service via unspecified vectors.
Which versions are affected by CVE-2016-4639?
It affects 1 product.
Products include Apple Mac Os X.
How do I fix CVE-2016-4639?
No fix has been published for CVE-2016-4639 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-2016-4639 being exploited?
There is no known exploitation of CVE-2016-4639 in the wild and no public exploit code.
Other vulnerabilities in Apple Mac Os X
Sources
Also known as GHSA-9q7j-mcc2-2993.