VULNERABILITY INTELLIGENCE

CVE-2017-7797

CVSS score7.5 HIGH

EPSS probability0.80%

CISA KEVNot currently listed

Published2018-06-11

Last modified2026-06-17

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

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.

Weakness classification

CWE-346: Origin Validation Error

Primary references

security@mozilla.org — Third Party Advisory, VDB Entry
security@mozilla.org — Exploit, Issue Tracking, Patch
security@mozilla.org — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Patch
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory