CVE-2016-7478

7.5 HIGH 42% exploit odds Fix listed Denial of service Web app

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of service disruption.
Exploit odds: 42.4% chance of exploitation in the next 30 days (EPSS). Higher than most.
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2017-01-11 06:59 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 00:53 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 42.4% in the next 30 days (EPSS).
Severity: 7.5 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2017-01-11 06:59 UTC
Last modified: 2026-06-17 00:53 UTC
Exploit probability: 42.4% · EPSS, next 30 days
Record status: Modified

Affected

PHP 5.0.0
PHP 5.0.1
PHP 5.0.2
PHP 5.0.3
PHP 5.0.4
PHP 5.0.5
PHP 5.1.0
PHP 5.1.1

Attack profile CVSS 3.0 · 7.5

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: High

Raw vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2016-7478.md and follow it. Check whether this project is affected by CVE-2016-7478. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record