CVE-2019-3561 is a vulnerability in Facebook Hhvm
Published on April 29, 2019
Insufficient boundary checks for the strrpos and strripos functions allow access to out-of-bounds memory. This affects all supported versions of HHVM (4.0.3, 3.30.4, and 3.27.7 and below).
Weakness Type
What is a Buffer Overflow Vulnerability?
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
CVE-2019-3561 has been classified to as a Buffer Overflow vulnerability or weakness.
Products Associated with CVE-2019-3561
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Affected Versions
Facebook HHVM:- Version 4.0.4 is affected.
- Version 4.0.0 and below unspecified is affected.
- Version 3.30.5 is affected.
- Version 3.30.0 and below unspecified is affected.
- Version 3.27.8 is affected.
- Version unspecified and below 3.27.8 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.