What is CVE-2019-11936?

CVE-2019-11936 is a vulnerability in various APC functions in Facebook HHVM that accept keys containing null bytes as input, leading to premature truncation of input.

What is the severity of CVE-2019-11936?

CVE-2019-11936 has a severity rating of 9.8 (critical).

Which versions of HHVM are affected by CVE-2019-11936?

HHVM versions prior to 3.30.12, all versions between 4.0.0 and 4.8.5, all versions between 4.9.0 and 4.23.1, as well as versions 4.24.0, 4.25.0, 4.26.0, 4.27.0, 4.28.0, and 4.28.1 are affected by CVE-2019-11936.

How do I fix CVE-2019-11936?

To fix CVE-2019-11936, it is recommended to upgrade HHVM to version 4.23.1 or above.

Where can I find more information about CVE-2019-11936?

You can find more information about CVE-2019-11936 on the Github commit, the HHVM blog post, and the Facebook security advisory.

Vulnerability/
CVE-2019-11936

critical

9.8

CWE

626

4/12/2019

14/9/2021

CVE-2019-11936

First published: Wed Dec 04 2019(Updated: )

Various APC functions accept keys containing null bytes as input, leading to premature truncation of input. This issue affects HHVM versions prior to 3.30.12, all versions between 4.0.0 and 4.8.5, all versions between 4.9.0 and 4.23.1, as well as 4.24.0, 4.25.0, 4.26.0, 4.27.0, 4.28.0, and 4.28.1.

Credit: cve-assign@fb.com

Affected Software	Affected Version	How to fix
Facebook HHVM	<3.30.12
Facebook HHVM	>=4.0.0<=4.8.5
Facebook HHVM	>=4.9.0<=4.23.1
Facebook HHVM	=4.24.0
Facebook HHVM	=4.25.0
Facebook HHVM	=4.26.0
Facebook HHVM	=4.27.0
Facebook HHVM	=4.28.0
Facebook HHVM	=4.28.1

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Reference Links

Frequently Asked Questions

What is CVE-2019-11936?
CVE-2019-11936 is a vulnerability in various APC functions in Facebook HHVM that accept keys containing null bytes as input, leading to premature truncation of input.
What is the severity of CVE-2019-11936?
CVE-2019-11936 has a severity rating of 9.8 (critical).
Which versions of HHVM are affected by CVE-2019-11936?
HHVM versions prior to 3.30.12, all versions between 4.0.0 and 4.8.5, all versions between 4.9.0 and 4.23.1, as well as versions 4.24.0, 4.25.0, 4.26.0, 4.27.0, 4.28.0, and 4.28.1 are affected by CVE-2019-11936.
How do I fix CVE-2019-11936?
To fix CVE-2019-11936, it is recommended to upgrade HHVM to version 4.23.1 or above.
Where can I find more information about CVE-2019-11936?
You can find more information about CVE-2019-11936 on the Github commit, the HHVM blog post, and the Facebook security advisory.

collector/nvd-index
agent/author
agent/references
agent/severity
agent/weakness
agent/tags
agent/type
agent/event
agent/description
agent/remedy
agent/last-modified-date
agent/first-publish-date
agent/softwarecombine
vendor/facebook
canonical/facebook hhvm
version/facebook hhvm/4.0.0
version/facebook hhvm/4.8.5
version/facebook hhvm/4.9.0
version/facebook hhvm/4.23.1
version/facebook hhvm/4.24.0
version/facebook hhvm/4.25.0
version/facebook hhvm/4.26.0
version/facebook hhvm/4.27.0
version/facebook hhvm/4.28.0
version/facebook hhvm/4.28.1

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