What is the severity of CVE-2016-7835?

CVE-2016-7835 is considered a high severity vulnerability due to its potential for denial-of-service attacks and exposure of server certificate private keys.

How do I fix CVE-2016-7835?

To fix CVE-2016-7835, update H2O to version 2.0.5 or later, or ensure you are using a more secure version.

What types of attacks can be performed using CVE-2016-7835?

CVE-2016-7835 can be exploited by remote attackers to cause denial-of-service or extract sensitive information including private keys.

Which versions of H2O are affected by CVE-2016-7835?

CVE-2016-7835 affects H2O versions up to and including 2.0.4 and specifically the 2.1.0-beta3 version.

What is a use-after-free vulnerability in the context of CVE-2016-7835?

In the context of CVE-2016-7835, a use-after-free vulnerability occurs when a program attempts to use memory after it has been freed, leading to potential crashes or exploitation.

Vulnerability/
CVE-2016-7835

critical

9.1

CWE

416

9/6/2017

6/8/2024

CVE-2016-7835: Use After Free

First published: Fri Jun 09 2017(Updated: )

Use-after-free vulnerability in H2O allows remote attackers to cause a denial-of-service (DoS) or obtain server certificate private keys and possibly other information.

Credit: vultures@jpcert.or.jp

Affected Software	Affected Version	How to fix
Dena H20	<=2.0.4
H2o Human Harmony Organization	=2.1.0-beta3

Remedy

https://github.com/h2o/h2o/issues/1144

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2016-7835?
CVE-2016-7835 is considered a high severity vulnerability due to its potential for denial-of-service attacks and exposure of server certificate private keys.
How do I fix CVE-2016-7835?
To fix CVE-2016-7835, update H2O to version 2.0.5 or later, or ensure you are using a more secure version.
What types of attacks can be performed using CVE-2016-7835?
CVE-2016-7835 can be exploited by remote attackers to cause denial-of-service or extract sensitive information including private keys.
Which versions of H2O are affected by CVE-2016-7835?
CVE-2016-7835 affects H2O versions up to and including 2.0.4 and specifically the 2.1.0-beta3 version.
What is a use-after-free vulnerability in the context of CVE-2016-7835?
In the context of CVE-2016-7835, a use-after-free vulnerability occurs when a program attempts to use memory after it has been freed, leading to potential crashes or exploitation.

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vendor/dena
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canonical/h2o human harmony organization
version/h2o human harmony organization/2.1.0-beta3

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