What is the severity of CVE-2016-4817?

CVE-2016-4817 has a high severity rating due to its potential to cause denial of service or execute arbitrary code.

How do I fix CVE-2016-4817?

To fix CVE-2016-4817, update H2O to version 1.7.3 or 2.0.0-beta5 or later.

What software is affected by CVE-2016-4817?

CVE-2016-4817 affects H2O versions prior to 1.7.3 and beta4 versions of 2.0.0.

What type of vulnerability is CVE-2016-4817?

CVE-2016-4817 is a use-after-free vulnerability that leads to potential application crashes.

Can CVE-2016-4817 be exploited remotely?

Yes, CVE-2016-4817 can be exploited remotely by attackers via specially crafted HTTP/2 packets.

Vulnerability/
CVE-2016-4817

high

7.5

CWE

416

19/6/2016

6/8/2024

CVE-2016-4817: Use After Free

First published: Sun Jun 19 2016(Updated: )

lib/http2/connection.c in H2O before 1.7.3 and 2.x before 2.0.0-beta5 mishandles HTTP/2 disconnection, which allows remote attackers to cause a denial of service (use-after-free and application crash) or possibly execute arbitrary code via a crafted packet.

Credit: vultures@jpcert.or.jp

Affected Software	Affected Version	How to fix
H2O.ai H2O	<=1.7.2
H2O.ai H2O	<=2.0.0

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of CVE-2016-4817?
CVE-2016-4817 has a high severity rating due to its potential to cause denial of service or execute arbitrary code.
How do I fix CVE-2016-4817?
To fix CVE-2016-4817, update H2O to version 1.7.3 or 2.0.0-beta5 or later.
What software is affected by CVE-2016-4817?
CVE-2016-4817 affects H2O versions prior to 1.7.3 and beta4 versions of 2.0.0.
What type of vulnerability is CVE-2016-4817?
CVE-2016-4817 is a use-after-free vulnerability that leads to potential application crashes.
Can CVE-2016-4817 be exploited remotely?
Yes, CVE-2016-4817 can be exploited remotely by attackers via specially crafted HTTP/2 packets.

agent/references
agent/type
agent/weakness
agent/severity
agent/author
agent/softwarecombine
agent/description
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/first-publish-date
agent/event
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/dena
canonical/h2o.ai h2o
version/h2o.ai h2o/1.7.2
version/h2o.ai h2o/2.0.0

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.

Frequently Asked Questions

What is the severity of CVE-2016-4817?
CVE-2016-4817 has a high severity rating due to its potential to cause denial of service or execute arbitrary code.
How do I fix CVE-2016-4817?
To fix CVE-2016-4817, update H2O to version 1.7.3 or 2.0.0-beta5 or later.
What software is affected by CVE-2016-4817?
CVE-2016-4817 affects H2O versions prior to 1.7.3 and beta4 versions of 2.0.0.
What type of vulnerability is CVE-2016-4817?
CVE-2016-4817 is a use-after-free vulnerability that leads to potential application crashes.
Can CVE-2016-4817 be exploited remotely?
Yes, CVE-2016-4817 can be exploited remotely by attackers via specially crafted HTTP/2 packets.