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CVE-2016-7480 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://blog.checkpoint.com/2016/12/27/check-point-discovers-three-zero-day-vulnerabilities-web-programming-language-php-7	CVE	Third Party AdvisoryVDB Entry
http://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdf	CVE	ExploitTechnical DescriptionThird Party Advisory
http://php.net/ChangeLog-7.php	CVE	Release NotesVendor Advisory
https://bugs.php.net/bug.php?id=73257	CVE	Issue TrackingPatchVendor Advisory
https://github.com/php/php-src/commit/61cdd1255d5b9c8453be71aacbbf682796ac77d4	CVE	PatchThird Party Advisory
https://security.netapp.com/advisory/ntap-20180112-0001/	CVE	Third Party Advisory
https://www.youtube.com/watch?v=LDcaPstAuPk	CVE	Broken LinkThird Party Advisory
http://www.securityfocus.com/bid/95152	CVE	Third Party AdvisoryVDB Entry
http://blog.checkpoint.com/2016/12/27/check-point-discovers-three-zero-day-vulnerabilities-web-programming-language-php-7	[email protected]	Third Party AdvisoryVDB Entry
http://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdf	[email protected]	ExploitTechnical DescriptionThird Party Advisory
http://php.net/ChangeLog-7.php	[email protected]	Release NotesVendor Advisory
https://bugs.php.net/bug.php?id=73257	[email protected]	Issue TrackingPatchVendor Advisory
https://github.com/php/php-src/commit/61cdd1255d5b9c8453be71aacbbf682796ac77d4	[email protected]	PatchThird Party Advisory
https://security.netapp.com/advisory/ntap-20180112-0001/	[email protected]	Third Party Advisory
https://www.youtube.com/watch?v=LDcaPstAuPk	[email protected]	Broken LinkThird Party Advisory
http://www.securityfocus.com/bid/95152	[email protected]	Third Party AdvisoryVDB Entry

see all 16 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-119	Improper Restriction of Operations within the Bounds of a Memory Buffer	[email protected]

Affected Products

Product	Versions
php php	>= 7.0.0, < 7.0.11
CPE cpe:2.3:a:php:php:::::::: Remediation No remediation found in references.
netapp clustered data ontap	All versions
CPE cpe:2.3:a:netapp:clustered_data_ontap:-:::::::* Remediation No remediation found in references.

Change History

8 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
May 6, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jul 20, 2022	Modified Analysis	[email protected]
Jan 14, 2018	CVE Modified	[email protected]
Jan 13, 2017	CVE Modified	[email protected]
Jan 11, 2017	Initial Analysis	[email protected]