CVE-2019-3557
First published: Tue Jan 15 2019(Updated: )
The implementations of streams for bz2 and php://output improperly implemented their readImpl functions, returning -1 consistently. This behavior caused some stream functions, such as stream_get_line, to trigger an out-of-bounds read when operating on such malformed streams. The implementations were updated to return valid values consistently. This affects all supported versions of HHVM (3.30 and 3.27.4 and below).
Credit: cve-assign@fb.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Facebook HHVM | <=3.27.4 | |
| Facebook HHVM | >=3.28.0<=3.30.0 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2019-3557.
What is the severity of CVE-2019-3557?
The severity of CVE-2019-3557 is critical with a severity value of 9.8.
Which software is affected by CVE-2019-3557?
The software affected by CVE-2019-3557 is Facebook HHVM versions 3.27.4 to 3.30.0.
What is the impact of CVE-2019-3557?
CVE-2019-3557 allows for an out-of-bounds read and can cause a denial-of-service condition or potentially leak sensitive information.
How can I fix CVE-2019-3557?
To fix CVE-2019-3557, update your Facebook HHVM installation to version 3.30.2 or later.
- collector/nvd-index
- agent/severity
- agent/author
- agent/weakness
- agent/references
- agent/tags
- agent/description
- agent/type
- agent/event
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- agent/remedy
- vendor/facebook
- canonical/facebook hhvm
- version/facebook hhvm/3.27.4
- version/facebook hhvm/3.28.0
- version/facebook hhvm/3.30.0