Description
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).
References (2)
Core 2
Core References
Third Party Advisory x_refsource_misc
https://github.com/facebook/hhvm/commit/46003b4ab564b2abcd8470035fc324fe36aa8c75
Vendor Advisory x_refsource_misc
https://hhvm.com/blog/2019/04/03/hhvm-4.0.4.html
Scores
CVSS v3
9.8
EPSS
0.0075
EPSS Percentile
73.2%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-119
CWE-125
Status
published
Products (1)
facebook/hhvm
< 3.27.7
Published
Apr 29, 2019
Tracked Since
Feb 18, 2026