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CVE-2016-7479
In all versions of PHP 7, during the unserialization process, resizing the 'properties' hash table of a serialized object may lead to…
Critical9.8EPSS 41.7%
- Published
- Updated
- Reserved
- Assigned by
- checkpoint
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
ID reserved
By checkpoint
- 4 months later
· 4 months later
Published
- 8 years later
· 8 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Critical9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 41.7% · top 1.3% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
- Remote Code Execution
- CWE-416 (opens in a new tab)All about CWE-416 and its CVEs
Affected products
PHP 7.x
- affected PHP 7.x
References (8)
- http://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdf (opens in a new tab)x_refsource_MISCx_transferred
- https://www.youtube.com/watch?v=LDcaPstAuPk (opens in a new tab)x_refsource_MISCx_transferred
- https://bugs.php.net/bug.php?id=73092 (opens in a new tab)x_refsource_MISCx_transferred
- RHSA-2018:1296 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://security.netapp.com/advisory/ntap-20180112-0001/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- 95151 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 1037659 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- http://blog.checkpoint.com/2016/12/27/check-point-discovers-three-zero-day-vulnerabilities-web-programming-language-php-7 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2016-7479)Record last updated .