What is the severity of CVE-2016-4639?

CVE-2016-4639 has been classified as a denial of service vulnerability.

How do I fix CVE-2016-4639?

To address CVE-2016-4639, users should upgrade to Apple OS X version 10.11.6 or later.

Who is affected by CVE-2016-4639?

CVE-2016-4639 affects all local users of Apple OS X versions prior to 10.11.6.

What causes the vulnerability in CVE-2016-4639?

CVE-2016-4639 is caused by improper memory initialization in the Login Window of Apple OS X.

What are the potential impacts of CVE-2016-4639?

CVE-2016-4639 could allow local users to cause a denial of service on affected systems.

Vulnerability/
CVE-2016-4639

high

22/7/2016

6/8/2024

CVE-2016-4639

First published: Fri Jul 22 2016(Updated: )

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.

Credit: product-security@apple.com

Affected Software	Affected Version	How to fix
macOS Yosemite	<=10.11.5

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2016-4639?
CVE-2016-4639 has been classified as a denial of service vulnerability.
How do I fix CVE-2016-4639?
To address CVE-2016-4639, users should upgrade to Apple OS X version 10.11.6 or later.
Who is affected by CVE-2016-4639?
CVE-2016-4639 affects all local users of Apple OS X versions prior to 10.11.6.
What causes the vulnerability in CVE-2016-4639?
CVE-2016-4639 is caused by improper memory initialization in the Login Window of Apple OS X.
What are the potential impacts of CVE-2016-4639?
CVE-2016-4639 could allow local users to cause a denial of service on affected systems.

agent/type
collector/mitre-cve
source/MITRE
agent/severity
agent/author
agent/references
agent/last-modified-date
agent/description
agent/first-publish-date
agent/event
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
agent/softwarecombine
vendor/apple
canonical/macos yosemite
version/macos yosemite/10.11.5

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Frequently Asked Questions

What is the severity of CVE-2016-4639?
CVE-2016-4639 has been classified as a denial of service vulnerability.
How do I fix CVE-2016-4639?
To address CVE-2016-4639, users should upgrade to Apple OS X version 10.11.6 or later.
Who is affected by CVE-2016-4639?
CVE-2016-4639 affects all local users of Apple OS X versions prior to 10.11.6.
What causes the vulnerability in CVE-2016-4639?
CVE-2016-4639 is caused by improper memory initialization in the Login Window of Apple OS X.
What are the potential impacts of CVE-2016-4639?
CVE-2016-4639 could allow local users to cause a denial of service on affected systems.