# CVE-2016-5385: HTTP Proxy header vulnerability

Source: https://junglewise.ai/threats/cve-2016-5385-http-proxy-header-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-04-07  
License: CC BY 4.0 with a link back

CVE-2016-5385 · Severity: low · CVSS 3.1 · Published 2022-04-07

HTTP Proxy header vulnerability

Technologies: [drupal/core (Packagist)](https://junglewise.ai/threats/technologies/packagist-drupal-core), [guzzlehttp/guzzle (Packagist)](https://junglewise.ai/threats/technologies/guzzlehttp-guzzle). Vendors: [Packagist](https://junglewise.ai/threats/vendors/packagist).

## Quick answers

**Is CVE-2016-5385 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2016-5385 being exploited in the wild.

**How severe is CVE-2016-5385?** Low severity, with a CVSS score of 3.1, published 7 April 2022.

**Which products and versions are affected?** amphp/artax (Packagist) ECOSYSTEM:introduced=0,fixed=1.0.4; bugsnag/bugsnag-laravel (Packagist) ECOSYSTEM:introduced=0,fixed=2.0.2; drupal/core (Packagist) ECOSYSTEM:introduced=8.0,fixed=8.1.7; guzzlehttp/guzzle (Packagist) ECOSYSTEM:introduced=6,fixed=6.2.1; and 1 more.

**Is there a fix for CVE-2016-5385?** Yes. amphp/artax (Packagist): upgrade to 1.0.4 or later; bugsnag/bugsnag-laravel (Packagist): upgrade to 2.0.2 or later; drupal/core (Packagist): upgrade to 8.1.7 or later; guzzlehttp/guzzle (Packagist): upgrade to 6.2.1 or later; padraic/humbug_get_contents (Packagist): upgrade to 1.1.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2016-5385?** Check whether you run amphp/artax (Packagist), bugsnag/bugsnag-laravel (Packagist), drupal/core (Packagist) or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- amphp/artax (Packagist): upgrade to 1.0.4 or later

  ```sh
  composer require amphp/artax:^1.0.4
  ```

- bugsnag/bugsnag-laravel (Packagist): upgrade to 2.0.2 or later

  ```sh
  composer require bugsnag/bugsnag-laravel:^2.0.2
  ```

- drupal/core (Packagist): upgrade to 8.1.7 or later

  ```sh
  composer require drupal/core:^8.1.7
  ```

- guzzlehttp/guzzle (Packagist): upgrade to 6.2.1 or later

  ```sh
  composer require guzzlehttp/guzzle:^6.2.1
  ```

- padraic/humbug_get_contents (Packagist): upgrade to 1.1.2 or later

  ```sh
  composer require padraic/humbug_get_contents:^1.1.2
  ```


## Affected products

- amphp/artax (Packagist) ECOSYSTEM:introduced=0,fixed=1.0.4
- bugsnag/bugsnag-laravel (Packagist) ECOSYSTEM:introduced=0,fixed=2.0.2
- drupal/core (Packagist) ECOSYSTEM:introduced=8.0,fixed=8.1.7
- guzzlehttp/guzzle (Packagist) ECOSYSTEM:introduced=6,fixed=6.2.1
- padraic/humbug_get_contents (Packagist) ECOSYSTEM:introduced=0,fixed=1.1.2

## Identifiers

- CVE-2016-5385
- GHSA-m6ch-gg5f-wxx3

## Related threats

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- [Drupal Navigation module cross-site scripting in attributes](https://junglewise.ai/threats/cve-2026-108514-drupal-core-2026-016-the-navigation-module-doesn-t-sufficiently)
- [Drupal Core remote code execution in Field UI module](https://junglewise.ai/threats/cve-2026-108097-drupal-core-2026-014-a-remote-code-execution-vulnerability)
- [Drupal cross-site scripting in CKEditor WYSIWYG](https://junglewise.ai/threats/drupal-core-2026-013-the-drupal-project-uses-the-ckeditor-https-github-f5b3da40)
- [Drupal stored cross-site scripting in Layout Builder](https://junglewise.ai/threats/cve-2026-55805-drupal-stored-cross-site-scripting-in-layout-builder)