CVE-2017-7797
Mozilla: Response header name interning leaks across origins (MFSA 2017-18)
Severity
LowRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · August 8, 2017
Updated · November 22, 2025
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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE-212 · Improper Removal of Sensitive Information Before Storage or Transfer