CVE-2016-1955
4.3
MEDIUM
CVSS 3.1
EPSS 0.55%
Description
Mozilla Firefox before 45.0 allows remote attackers to bypass the Same Origin Policy and obtain sensitive information by reading a Content Security Policy (CSP) violation report that contains path information associated with an IFRAME element.
How to fix CVE-2016-1955
To remediate CVE-2016-1955, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 45.0esr-1 or later
Is CVE-2016-1955 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 45.0esr-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |