What is CVE-2016-7480?

CVE-2016-7480 is a critical-severity vulnerability in NetApp Clustered Data Ontap, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-01-11.

How severe is CVE-2016-7480?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2016-7480 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in NetApp Clustered Data Ontap

CVE-2016-7480

The SplObjectStorage unserialize implementation in ext/spl/spl_observer.c in PHP before 7.0.12 does not verify that a key is an object, which allows remote attackers to execute arbitrary code or cause a denial of service (uninitialized memory access) via crafted serialized data.

Vulnerability class: Buffer Overflow

Published 2017-01-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.416 (98.6th percentile), scored 2026-09-28.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.416 · newest: 0.416 · change: 0.000

Affected products

NetApp Clustered Data Ontap
PHP
PHP Before 7.0.12 — versions PHP before 7.0.12

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

Public proof-of-concept exploits

ycamper/censys-scripts

References

blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdf (Technical Description, Exploit, Third Party Advisory)
www.youtube.com/watch (Third Party Advisory, Broken Link)
bugs.php.net/bug.php (Patch, Issue Tracking, Vendor Advisory)
php.net/ChangeLog-7.php (Release Notes, Vendor Advisory)
www.securityfocus.com/bid/95152 (VDB Entry, Third Party Advisory, vdb-entry)
github.com/php/php-src/commit/61cdd1255d5b9c8453be71aacbbf682796ac77d4 (Patch, Third Party Advisory)
security.netapp.com/advisory/ntap-20180112-0001/ (Third Party Advisory)
blog.checkpoint.com/2016/12/27/check-point-discovers-three-zero-day-vulnerabili… (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2016-7480?: CVE-2016-7480 is a critical-severity vulnerability in NetApp Clustered Data Ontap, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-01-11.
How severe is CVE-2016-7480?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2016-7480 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.