{"cve":"CVE-2016-5385","nvd":{"published":"2016-07-19T02:00:17.773","modified":"2026-06-17T00:49:18.407","status":"Modified","description":"PHP through 7.0.8 does not attempt to address RFC 3875 section 4.1.18 namespace conflicts and therefore does not protect applications from the presence of untrusted client data in the HTTP_PROXY environment variable, which might allow remote attackers to redirect an application's outbound HTTP traffic to an arbitrary proxy server via a crafted Proxy header in an HTTP request, as demonstrated by (1) an application that makes a getenv('HTTP_PROXY') call or (2) a CGI configuration of PHP, aka an \"httpoxy\" issue.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.1},"cwes":["CWE-601"],"references":["http://lists.opensuse.org/opensuse-updates/2016-08/msg00003.html","http://rhn.redhat.com/errata/RHSA-2016-1609.html","http://rhn.redhat.com/errata/RHSA-2016-1610.html","http://rhn.redhat.com/errata/RHSA-2016-1611.html","http://rhn.redhat.com/errata/RHSA-2016-1612.html"],"products":["debian:debian_linux","drupal:drupal","fedoraproject:fedora","hp:storeever_msl6480_tape_library_firmware","hp:system_management_homepage","opensuse:leap","oracle:communications_user_data_repository","oracle:enterprise_manager_ops_center","oracle:linux","php:php","redhat:enterprise_linux_desktop","redhat:enterprise_linux_server","redhat:enterprise_linux_workstation"],"source":"nvd","synced_at":"2026-10-19T20:38:51.654415212+00:00"},"epss":{"cve":"CVE-2016-5385","score":0.50427,"percentile":0.98912,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-m6ch-gg5f-wxx3","url":"https://osv.dev/vulnerability/GHSA-m6ch-gg5f-wxx3","summary":"HTTP Proxy header vulnerability","modified":"2023-11-08T03:58:31.024570Z","packages":[{"ecosystem":"Packagist","name":"guzzlehttp/guzzle","purl":"pkg:composer/guzzlehttp/guzzle","ranges":[">=6 <6.2.1"],"fixed":["6.2.1"]},{"ecosystem":"Packagist","name":"guzzlehttp/guzzle","purl":"pkg:composer/guzzlehttp/guzzle","ranges":[">=4.0.0-rc2 <4.2.4"],"fixed":["4.2.4"]},{"ecosystem":"Packagist","name":"guzzlehttp/guzzle","purl":"pkg:composer/guzzlehttp/guzzle","ranges":[">=5 <5.3.1"],"fixed":["5.3.1"]},{"ecosystem":"Packagist","name":"drupal/core","purl":"pkg:composer/drupal/core","ranges":[">=8.0 <8.1.7"],"fixed":["8.1.7"]},{"ecosystem":"Packagist","name":"bugsnag/bugsnag-laravel","purl":"pkg:composer/bugsnag/bugsnag-laravel","ranges":["<2.0.2"],"fixed":["2.0.2"]},{"ecosystem":"Packagist","name":"amphp/artax","purl":"pkg:composer/amphp/artax","ranges":["<1.0.4"],"fixed":["1.0.4"]},{"ecosystem":"Packagist","name":"amphp/artax","purl":"pkg:composer/amphp/artax","ranges":[">=2.0.0 <2.0.4"],"fixed":["2.0.4"]},{"ecosystem":"Packagist","name":"padraic/humbug_get_contents","purl":"pkg:composer/padraic/humbug_get_contents","ranges":["<1.1.2"],"fixed":["1.1.2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}