Description
An issue was discovered in PHP 7.3.x before 7.3.1. An invalid multibyte string supplied as an argument to the mb_split() function in ext/mbstring/php_mbregex.c can cause PHP to execute memcpy() with a negative argument, which could read and write past buffers allocated for the data.
References (2)
Core 2
Core References
Exploit, Issue Tracking, Patch, Vendor Advisory x_refsource_misc
https://bugs.php.net/bug.php?id=77367
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20190321-0001/
Scores
CVSS v3
9.8
EPSS
0.0171
EPSS Percentile
82.5%
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-125
CWE-787
Status
published
Products (2)
netapp/storage_automation_store
php/php
7.3.0 - 7.3.1
Published
Feb 22, 2019
Tracked Since
Feb 18, 2026