CVE-2017-7797

HIGH

Firefox < 55.0 - Origin Validation Error via Response Header Name Interning

Title source: llm

Description

Response header name interning does not have same-origin protections and these headers are stored in a global registry. This allows stored header names to be available cross-origin. This vulnerability affects Firefox < 55.

References (3)

Core 3

Core References

Exploit, Issue Tracking, Patch x_refsource_confirm

https://bugzilla.mozilla.org/show_bug.cgi?id=1334776

Vendor Advisory x_refsource_confirm

https://www.mozilla.org/security/advisories/mfsa2017-18/

Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack

http://www.securitytracker.com/id/1039124

Scores

CVSS v3 7.5

EPSS 0.0012

EPSS Percentile 30.9%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE

CWE-346

Status published

Products (1)

mozilla/firefox < 55.0

Published Jun 11, 2018

Tracked Since Feb 18, 2026