Use After Free Affecting php package, versions [,7.0.15)[7.1.0, 7.1.1)


Severity

Recommended
0.0
critical
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
1.12% (85th percentile)

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  • Snyk IDSNYK-UNMANAGED-PHP-2335378
  • published12 Jan 2022
  • disclosed12 Jan 2017
  • creditUnknown

Introduced: 12 Jan 2017

CVE-2016-7479  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade php to version 7.0.15, 7.1.1 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free. 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 Scores

version 3.1