# CVE-2016-7129: Denial of service in n/a

> Remote attackers can cause a denial of service via a segmentation fault in the PHP WDDX extension when processing invalid ISO 8601 time values.

- **Severity:** Critical 9.8 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 12 Sep 2016
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-386q-8gmc-924g, UBUNTU-CVE-2016-7129

## What is CVE-2016-7129?

CVE-2016-7129 is a critical denial of service vulnerability in Php Php, published on 12 Sep 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The php_wddx_process_data function in ext/wddx/wddx.c in PHP before 5.6.25 and 7.x before 7.0.10 allows remote attackers to cause a denial of service (segmentation fault) or possibly have unspecified other impact via an invalid ISO 8601 time value, as demonstrated by a wddx_deserialize call that mishandles a dateTime element in a wddxPacket XML document.

Weakness: CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2016-7129?

It affects 1 product.


Products: Php Php.

## How do I fix CVE-2016-7129?

Upgrade to a fixed version.

## Is CVE-2016-7129 being exploited?

There is no known exploitation of CVE-2016-7129 in the wild and no public exploit code.

## Other vulnerabilities in Php Php

- [CVE-2012-2688](https://insights.sbomify.com/CVE-2012-2688/): Integer overflow in n/a (critical 10.0)
- [CVE-2012-2376](https://insights.sbomify.com/CVE-2012-2376/): Memory corruption in n/a (critical 10.0)
- [CVE-2011-3268](https://insights.sbomify.com/CVE-2011-3268/): Memory corruption in n/a (critical 10.0)
- [CVE-2009-4143](https://insights.sbomify.com/CVE-2009-4143/): Other in n/a (critical 10.0)
- [CVE-2008-5557](https://insights.sbomify.com/CVE-2008-5557/): Memory corruption in n/a (critical 10.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2016-7129 and fix it if it is affected.

What it is: CVE-2016-7129 is a critical denial of service vulnerability in Php Php, published on 12 Sep 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2016-7129 in the wild and no public exploit code.

Affected product: Php Php. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2016-7129/ (Markdown: https://insights.sbomify.com/CVE-2016-7129/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2016-7129
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2016-7129
- OSV: https://osv.dev/vulnerability/CVE-2016-7129

---
From sbomify Insights: https://insights.sbomify.com/CVE-2016-7129/
Summaries are generated and may contain mistakes; the official description above is the record.