What is the vulnerability ID of this issue?

The vulnerability ID is CVE-2020-1918.

What is the severity of CVE-2020-1918?

The severity of CVE-2020-1918 is high with a severity value of 7.5.

How can I fix CVE-2020-1918?

To fix CVE-2020-1918, update your HHVM software to version 4.93.1 or later.

Where can I find more information about CVE-2020-1918?

You can find more information about CVE-2020-1918 at the following references: [link1](https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca), [link2](https://hhvm.com/blog/2021/02/25/security-update.html)

Vulnerability/
CVE-2020-1918

high

7.5

CWE

125 127

10/3/2021

15/3/2021

CVE-2020-1918

Q: Which software versions are affected by CVE-2020-1918?

CVE-2020-1918 affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1.

First published: Wed Mar 10 2021(Updated: )

In-memory file operations (ie: using fopen on a data URI) did not properly restrict negative seeking, allowing for the reading of memory prior to the in-memory buffer. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0.

Credit: cve-assign@fb.com

Affected Software	Affected Version	How to fix
Facebook HHVM	<4.56.3
Facebook HHVM	>=4.57.0<4.80.2
Facebook HHVM	>=4.81.0<4.93.2
Facebook HHVM	=4.94.0
Facebook HHVM	=4.95.0
Facebook HHVM	=4.96.0
Facebook HHVM	=4.97.0
Facebook HHVM	=4.98.0

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the vulnerability ID of this issue?
The vulnerability ID is CVE-2020-1918.
What is the severity of CVE-2020-1918?
The severity of CVE-2020-1918 is high with a severity value of 7.5.
Which software versions are affected by CVE-2020-1918?
CVE-2020-1918 affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1.
How can I fix CVE-2020-1918?
To fix CVE-2020-1918, update your HHVM software to version 4.93.1 or later.
Where can I find more information about CVE-2020-1918?
You can find more information about CVE-2020-1918 at the following references: [link1](https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca), [link2](https://hhvm.com/blog/2021/02/25/security-update.html)

collector/nvd-index
agent/weakness
agent/severity
agent/author
agent/tags
agent/type
agent/description
agent/references
agent/event
agent/last-modified-date
agent/softwarecombine
agent/first-publish-date
agent/remedy
vendor/facebook
canonical/facebook hhvm
version/facebook hhvm/4.57.0
version/facebook hhvm/4.81.0
version/facebook hhvm/4.94.0
version/facebook hhvm/4.95.0
version/facebook hhvm/4.96.0
version/facebook hhvm/4.97.0
version/facebook hhvm/4.98.0

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.