ext/standard/var_unserializer.c in PHP 5.x through 7.1.24 allows attackers to cause a denial of service (application crash) via an unserialize call for the com, dotnet, or variant class.
https://security.netapp.com/advisory/ntap-20181221-0005/
https://bugs.php.net/bug.php?id=77177
http://www.securityfocus.com/bid/105989
Source: Mitre, NVD
Published: 2018-11-20
Updated: 2019-10-03
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: High