4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
0.0004 Low
EPSS
Percentile
0.4%
The array_user_key_compare function in PHP 4.4.6 and earlier, and 5.x up to
5.2.1, makes erroneous calls to zval_dtor, which triggers memory corruption
and allows local users to bypass safe_mode and execute arbitrary code via a
certain unset operation after array_user_key_compare has been called.