CVE-2014-8142
php: use after free vulnerability in unserialize()
Severity
ModerateRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · December 18, 2014
Updated · June 28, 2026
Description
A flaws was discovered in the way PHP performed object unserialization. Specially crafted input processed by the unserialize() function could cause a PHP application to crash or, possibly, execute arbitrary code.
Statement
This issue did not affect the versions of php as shipped with Red Hat Enterprise Linux 5 and 6 or the versions of php53 as shipped with Red Hat Enterprise Linux 5.
The PHP manual documents that using unserialize() on untrusted user input is unsafe and not recommended.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 5.1AV:N/AC:H/Au:N/C:P/I:P/A:P
CWE-416 · Use After Free