UBUNTU-CVE-2016-7479

Advisory lineage Upstream: 1 Downstream: 2
Upstream
CVE-2016-7479
Published: 11 Jan 2017, 00:00
Last modified:22 Apr 2026, 10:56

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
3.0 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

11 Jan 2017, 00:00
Published
Vulnerability first disclosed
22 Apr 2026, 10:56
Last Modified
Vulnerability information updated

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 Metrics

  • v3.0•CRITICAL•Score: 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • ubuntu•php5

    < 5.5.9+dfsg-1ubuntu4.21

  • ubuntu•php7.0

    < 7.0.15-0ubuntu0.16.04.2

References (7)