5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
0.018 Low
EPSS
Percentile
87.9%
The php_binary serialization handler in the session extension in PHP before
4.4.5, and 5.x before 5.2.1, allows context-dependent attackers to obtain
sensitive information (memory contents) via a serialized variable entry
with a large length value, which triggers a buffer over-read.