The ovrimos_close function in the Ovrimos extension for PHP before 4.4.5 can trigger efree of an arbitrary address, which might allow context-dependent attackers to execute arbitrary code.
http://www.securityfocus.com/bid/22833
http://www.php-security.org/MOPB/MOPB-13-2007.html
http://www.osvdb.org/34691
Source: Mitre, NVD
Published: 2007-03-10
Updated: 2018-10-30
Base Score: 5.1
Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical