CVE-2016-5385
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.
Official description from the CVE record, published by redhat. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org
Key data
EPSS
- Score
- 0.50427 (50.4% probability)
- Percentile
- 98.9%
- Scores of
- Nov 10, 2026
- Model
- v2026.06.15
References
- FEDORA-2016-8eb11666aa (lists.fedoraproject.org)vendor-advisory
- h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?d…
- h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?d…
- VU#797896 (kb.cert.org)third-party-advisory
- oracle.com/technetwork/security-advisory/cpujan2018-3236628…
- GLSA-201611-22 (security.gentoo.org)vendor-advisory
- openSUSE-SU-2016:1922 (lists.opensuse.org)vendor-advisory
- drupal.org/SA-CORE-2016-003
- oracle.com/technetwork/topics/security/linuxbulletinjul2016…
- RHSA-2016:1613 (rhn.redhat.com)vendor-advisory
- RHSA-2016:1611 (rhn.redhat.com)vendor-advisory
- RHSA-2016:1610 (rhn.redhat.com)vendor-advisory
- DSA-3631 (debian.org)vendor-advisory
- 91821 (securityfocus.com)vdb-entry
- h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?d…
- h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US…
- FEDORA-2016-4e7db3d437 (lists.fedoraproject.org)vendor-advisory
- RHSA-2016:1609 (rhn.redhat.com)vendor-advisory
- 1036335 (securitytracker.com)vdb-entry
- httpoxy.org
- oracle.com/technetwork/security-advisory/cpujul2017-3236622…
- RHSA-2016:1612 (rhn.redhat.com)vendor-advisory
- bugzilla.redhat.com/show_bug.cgi?id=1353794
- FEDORA-2016-9c8cf5912c (lists.fedoraproject.org)vendor-advisory
- github.com/guzzle/guzzle/releases/tag/6.2.1
Timeline
- ID reserved
- Record published
- Record last updated
Look up another CVE
About CubePath
Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:45 UTC. Sources and licenses