Read the docs
TI-2018-10604 Aliases CVE-2018-14773GHSA-8wgj-6wx8-h5hq

An issue was discovered in Http Foundation in Symfony 2.7.0 through 2.7.48, 2.8.0 through…

Priority MEDIUM 62CWE-349Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

An issue was discovered in Http Foundation in Symfony 2.7.0 through 2.7.48, 2.8.0 through 2.8.43, 3.3.0 through 3.3.17, 3.4.0 through 3.4.13, 4.0.0 through 4.0.13, and 4.1.0 through 4.1.2. It arises from support for a (legacy) IIS header that lets users override the path in the request URL via the X-Original-URL or X-Rewrite-URL HTTP request header. These headers are designed for IIS support, but it's not verified that the server is in fact running IIS, which means anybody who can send these requests to an application can trigger this. This affects \Symfony\Component\HttpFoundation\Request::prepareRequestUri() where X-Original-URL and X_REWRITE_URL are both used. The fix drops support for these methods so that they cannot be used as attack vectors such as web cache poisoning.

Why it matters now

EPSS 0.57638 99th percentileScored 2026-11-07
Fix Fixed symfony/http-foundation (Packagist): 2.7.49, 2.8.44, 3.3.18 +3symfony/symfony (Packagist): 2.7.49, 2.8.44, 3.3.18 +3

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—symfony/http-foundation (Packagist)2.7.0 to before 2.7.492.7.49Patch availableGHSA-8wgj-6wx8-h5hq
—symfony/http-foundation (Packagist)2.8.0 to before 2.8.442.8.44Patch availableGHSA-8wgj-6wx8-h5hq
—symfony/http-foundation (Packagist)3.0.0 to before 3.3.183.3.18Patch availableGHSA-8wgj-6wx8-h5hq
—symfony/http-foundation (Packagist)3.4.0 to before 3.4.143.4.14Patch availableGHSA-8wgj-6wx8-h5hq
—symfony/http-foundation (Packagist)4.0.0 to before 4.0.144.0.14Patch availableGHSA-8wgj-6wx8-h5hq
—symfony/http-foundation (Packagist)4.1.0 to before 4.1.34.1.3Patch availableGHSA-8wgj-6wx8-h5hq
—symfony/symfony (Packagist)2.7.0 to before 2.7.492.7.49Patch availableGHSA-8wgj-6wx8-h5hq
—symfony/symfony (Packagist)2.8.0 to before 2.8.442.8.44Patch availableGHSA-8wgj-6wx8-h5hq
—symfony/symfony (Packagist)3.0.0 to before 3.3.183.3.18Patch availableGHSA-8wgj-6wx8-h5hq
—symfony/symfony (Packagist)3.4.0 to before 3.4.143.4.14Patch availableGHSA-8wgj-6wx8-h5hq
—symfony/symfony (Packagist)4.0.0 to before 4.0.144.0.14Patch availableGHSA-8wgj-6wx8-h5hq
—symfony/symfony (Packagist)4.1.0 to before 4.1.34.1.3Patch availableGHSA-8wgj-6wx8-h5hq
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • symfony/http-foundation (Packagist) Vendor— Affected 2.7.0 to before 2.7.49 Fixed in 2.7.49 Patch available GHSA-8wgj-6wx8-h5hq
  • symfony/http-foundation (Packagist) Vendor— Affected 2.8.0 to before 2.8.44 Fixed in 2.8.44 Patch available GHSA-8wgj-6wx8-h5hq
  • symfony/http-foundation (Packagist) Vendor— Affected 3.0.0 to before 3.3.18 Fixed in 3.3.18 Patch available GHSA-8wgj-6wx8-h5hq
  • symfony/http-foundation (Packagist) Vendor— Affected 3.4.0 to before 3.4.14 Fixed in 3.4.14 Patch available GHSA-8wgj-6wx8-h5hq
  • symfony/http-foundation (Packagist) Vendor— Affected 4.0.0 to before 4.0.14 Fixed in 4.0.14 Patch available GHSA-8wgj-6wx8-h5hq
  • symfony/http-foundation (Packagist) Vendor— Affected 4.1.0 to before 4.1.3 Fixed in 4.1.3 Patch available GHSA-8wgj-6wx8-h5hq
  • symfony/symfony (Packagist) Vendor— Affected 2.7.0 to before 2.7.49 Fixed in 2.7.49 Patch available GHSA-8wgj-6wx8-h5hq
  • symfony/symfony (Packagist) Vendor— Affected 2.8.0 to before 2.8.44 Fixed in 2.8.44 Patch available GHSA-8wgj-6wx8-h5hq
  • symfony/symfony (Packagist) Vendor— Affected 3.0.0 to before 3.3.18 Fixed in 3.3.18 Patch available GHSA-8wgj-6wx8-h5hq
  • symfony/symfony (Packagist) Vendor— Affected 3.4.0 to before 3.4.14 Fixed in 3.4.14 Patch available GHSA-8wgj-6wx8-h5hq
  • symfony/symfony (Packagist) Vendor— Affected 4.0.0 to before 4.0.14 Fixed in 4.0.14 Patch available GHSA-8wgj-6wx8-h5hq
  • symfony/symfony (Packagist) Vendor— Affected 4.1.0 to before 4.1.3 Fixed in 4.1.3 Patch available GHSA-8wgj-6wx8-h5hq

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*after 2.7.0, up to 2.7.48; 2.8.0 – 2.8.43; 3.3.0 – 3.3.17; 3.4.0 – 3.4.13; 4.0.0 – 4.0.13; 4.1.0 – 4.1.2Vulnerablesensiolabs
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*8.0.0 to before 8.5.6VulnerableDrupal
  • cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:* Versions after 2.7.0, up to 2.7.48; 2.8.0 – 2.8.43; 3.3.0 – 3.3.17; 3.4.0 – 3.4.13; 4.0.0 – 4.0.13; 4.1.0 – 4.1.2 Vulnerable ·sensiolabs
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* Versions 8.0.0 to before 8.5.6 Vulnerable ·Drupal

Remediation

  • Fix · GHSA-8wgj-6wx8-h5hq symfony/http-foundation (Packagist) Fixed in 2.7.49 Advisory →
  • Fix · GHSA-8wgj-6wx8-h5hq symfony/http-foundation (Packagist) Fixed in 2.8.44 Advisory →
  • Fix · GHSA-8wgj-6wx8-h5hq symfony/http-foundation (Packagist) Fixed in 3.3.18 Advisory →
  • Fix · GHSA-8wgj-6wx8-h5hq symfony/http-foundation (Packagist) Fixed in 3.4.14 Advisory →
  • Fix · GHSA-8wgj-6wx8-h5hq symfony/http-foundation (Packagist) Fixed in 4.0.14 Advisory →
  • Fix · GHSA-8wgj-6wx8-h5hq symfony/http-foundation (Packagist) Fixed in 4.1.3 Advisory →
  • Fix · GHSA-8wgj-6wx8-h5hq symfony/symfony (Packagist) Fixed in 2.7.49 Advisory →
  • Fix · GHSA-8wgj-6wx8-h5hq symfony/symfony (Packagist) Fixed in 2.8.44 Advisory →
  • Fix · GHSA-8wgj-6wx8-h5hq symfony/symfony (Packagist) Fixed in 3.3.18 Advisory →
  • Fix · GHSA-8wgj-6wx8-h5hq symfony/symfony (Packagist) Fixed in 3.4.14 Advisory →
  • Fix · GHSA-8wgj-6wx8-h5hq symfony/symfony (Packagist) Fixed in 4.0.14 Advisory →
  • Fix · GHSA-8wgj-6wx8-h5hq symfony/symfony (Packagist) Fixed in 4.1.3 Advisory →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-14773
  2. 2026-10-03 Alias added: GHSA-8wgj-6wx8-h5hq

References

Patch 3

Advisory 4

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences