CVE-2016-7479

php: Use-after-free vulnerability when resizing the 'properties' hash table of a serialized object

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Severity

Moderate

Red Hat Product Security

8.1

CVSS 3.0

Review impact separately from score.

Published · December 27, 2016

Updated · June 28, 2026

Description

In all versions of PHP 7, during the unserialization process, resizing the 'properties' hash table of a serialized object may lead to use-after-free. A remote attacker may exploit this bug to gain arbitrary code execution.

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 3.0 · 8.1
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE not specified