CVE-2016-7417

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-14. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 7%CVSS: 9.8Exploit: None knownExposed: 0

A fix is available — apply it.

ext/spl/spl_array.c in PHP before 5.6.26 and 7.x before 7.0.11 proceeds with SplArray unserialization without validating a return value and data type, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
51(Track)
EG Risk 51/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation7% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
7%
EPSS %ILE
94%
KEV
Not listed

Published

September 17, 2016

Last Modified

June 17, 2026

Advisory Details (10)

Auto-updated Sep 22, 2026
Patch available. Sources: redhat, github_commit.
generic

[R6] SecurityCenter 5.4.1 Fixes Multiple Vulnerabilities - Security Advisory | Tenable®

https://www.tenable.com/security/tns-2016-19
generic

PHP: Multiple vulnerabilities (GLSA 201611-22) — Gentoo security

https://security.gentoo.org/glsa/201611-22
github_commit Patch Available

commit ecb7f58a069b (php/php-src)

Patch available: php/php-src php-8.5.1 (contains commit ecb7f58a069b)

https://github.com/php/php-src/commit/ecb7f58a069be0dec4a6131b6351a761f808f22e?w=1
generic

PHP :: Sec Bug #73029 :: Missing type check when unserializing SplArray

https://bugs.php.net/bug.php?id=73029
redhat Patch Available
https://access.redhat.com/errata/RHSA-2018:1296
generic

CVE-2016-7417 - PSIRT.COM

http://www.securityfocus.com/bid/93007
generic

PHP: PHP 7 ChangeLog

http://www.php.net/ChangeLog-7.php
generic

PHP: PHP 5 ChangeLog

http://www.php.net/ChangeLog-5.php
generic

oss-security - Re: CVE assignment for PHP 5.6.26 and 7.0.11

http://www.openwall.com/lists/oss-security/2016/09/15/10
generic
http://www.securitytracker.com/id/1036836

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuphp7.0-zip (7.0.8-0ubuntu0.16.04.3) @ xenial2026-05-20ubuntu
redhatrh-php70-php-0:7.0.27-1.el72018-05-03redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(4 across 4 ecosystems)
Alpine:v3.2(1)
PackageVulnerable rangeFixed inDependents
php5.2.10-r0 ... 5.6.9-r0 (142 versions)5.6.27-r0—
Alpine:v3.3(1)
PackageVulnerable rangeFixed inDependents
php5.2.10-r0 ... 5.6.9-r1 (150 versions)5.6.27-r0—
Debian:7(1)
PackageVulnerable rangeFixed inDependents
php55.4.11-1 ... 5.4.9-4 (40 versions)5.4.45-0+deb7u6—
Debian:8(1)
PackageVulnerable rangeFixed inDependents
php55.6.11+dfsg-1 ... 5.6.9+dfsg-1 (34 versions)5.6.26+dfsg-0+deb8u1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(2)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 4× in last 7d / 22× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 166 total refreshes for this CVE.

  1. 2026-09-24 13:59 UTCEPSS rescore
  2. 2026-09-23 13:41 UTCEPSS rescore
  3. 2026-09-19 15:35 UTCEPSS rescore
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  21. 2026-08-27 00:37 UTCOSV refresh
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  1. 2026-08-18 13:43 UTCEPSS rescore
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  21. 2026-07-25 15:30 UTCOSV refresh
  22. 2026-07-25 14:13 UTCEPSS rescore
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  25. 2026-07-23 01:24 UTCEG score recompute
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  27. 2026-07-22 14:04 UTCEPSS rescore
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  47. 2026-07-09 19:06 UTCEPSS rescore
  48. 2026-07-08 15:10 UTCEPSS rescore
  49. 2026-07-08 09:57 UTCOSV refresh
  50. 2026-07-07 13:42 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2016-7417?
CVE-2016-7417 is a critical vulnerability published on September 17, 2016. ext/spl/spl_array.c in PHP before 5.6.26 and 7.x before 7.0.11 proceeds with SplArray unserialization without validating a return value and data type, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data.
When was CVE-2016-7417 disclosed?
CVE-2016-7417 was first published in the National Vulnerability Database on September 17, 2016, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-7417 actively exploited?
CVE-2016-7417 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 7% probability of exploitation in the next 30 days, which ranks it in the top 6.2% of all scored CVEs.
What is the CVSS score of CVE-2016-7417?
CVE-2016-7417 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2016-7417?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-7417, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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