First published: Mon Apr 29 2019(Updated: )
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).
Credit: cve-assign@fb.com cve-assign@fb.com
Affected Software | Affected Version | How to fix |
---|---|---|
Facebook HHVM | <=3.27.7 | |
Facebook HHVM | >=3.28.0<=3.30.4 | |
Facebook HHVM | >=4.0.0<=4.0.3 | |
<=3.27.7 | ||
>=3.28.0<=3.30.4 | ||
>=4.0.0<=4.0.3 |
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CVE-2019-3561 is a vulnerability in the strrpos and strripos functions of HHVM that allows access to out-of-bounds memory.
CVE-2019-3561 affects all supported versions of HHVM (4.0.3, 3.30.4, and 3.27.7 and below).
CVE-2019-3561 has a severity rating of 9.8 (Critical).
To fix CVE-2019-3561, upgrade to HHVM version 4.0.4 or apply the appropriate patches provided by Facebook.
More information about CVE-2019-3561 can be found in the references provided: [Link 1](https://github.com/facebook/hhvm/commit/46003b4ab564b2abcd8470035fc324fe36aa8c75), [Link 2](https://hhvm.com/blog/2019/04/03/hhvm-4.0.4.html).