VulnerabilityModified

CVE-2016-7478

Zend/zend_exceptions.c in PHP, possibly 5.x before 5.6.28 and 7.x before 7.0.13, allows remote attackers to cause a denial of service (infinite loop) via a crafted Exception object in serialized data, a related issue to CVE-2015-8876.

HIGH 7.5EPSS 42.4%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 42.4%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

CVSS 3.0: 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 42.40% probability · 99th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Affected: php/php
Source: cve@checkpoint.com

EPSS trend

EPSS moved from 36.7% on 21 September 2026 to 42.4% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

References

http://blog.checkpoint.com/2016/12/27/check-point-discovers-three-zero-day-vulnerabilities-web-programming-language-php-7Third Party Advisory, VDB Entry
http://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdfThird Party Advisory
http://www.securityfocus.com/bid/95150
https://bugs.php.net/bug.php?id=73093Exploit, Vendor Advisory
https://security.netapp.com/advisory/ntap-20180112-0001/
https://www.youtube.com/watch?v=LDcaPstAuPkPress/Media Coverage
http://blog.checkpoint.com/2016/12/27/check-point-discovers-three-zero-day-vulnerabilities-web-programming-language-php-7Third Party Advisory, VDB Entry
http://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdfThird Party Advisory
http://www.securityfocus.com/bid/95150
https://bugs.php.net/bug.php?id=73093Exploit, Vendor Advisory
https://security.netapp.com/advisory/ntap-20180112-0001/
https://www.youtube.com/watch?v=LDcaPstAuPkPress/Media Coverage

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.