No exploitation reported

CVE-2016-7479

No exploitation reported by the sources we read.

Published2017-01-12
WeaknessCWE-416

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2017-01-1200:59CVE publishedNVD
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2016-7479?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2016-7479?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

PHP

Branch	Affected	Fixed in	Source
7.0	= 7.0.0	no fix published	NVD
7.0	= 7.0.1	no fix published	NVD
7.0	= 7.0.2	no fix published	NVD
7.0	= 7.0.3	no fix published	NVD
7.0	= 7.0.4	no fix published	NVD
7.0	= 7.0.5	no fix published	NVD
7.0	= 7.0.6	no fix published	NVD
7.0	= 7.0.7	no fix published	NVD
7.0	= 7.0.8	no fix published	NVD
7.0	= 7.0.9	no fix published	NVD
7.0	= 7.0.10	no fix published	NVD
7.0	= 7.0.11	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.09.8read 2026-10-23
NVDCVSS 2.07.5read 2026-10-23
NVDweakness (CWE)CWE-416read 2026-10-23
FIRST EPSSEPSS score41.7 %read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2017-01-12
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2016-7479?

Is CVE-2016-7479 actively exploited?

Active exploitation of CVE-2016-7479 has not been confirmed. Its EPSS score was 41.7% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2016-7479?

CVE-2016-7479 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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