CVE-2017-5408
5.3
MEDIUM
CVSS 3.1
EPSS 1.1%
Description
Video files loaded video captions cross-origin without checking for the presence of CORS headers permitting such cross-origin use, leading to potential information disclosure for video captions. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.
How to fix CVE-2017-5408
To remediate CVE-2017-5408, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 45.8.0esr-1 or later
Is CVE-2017-5408 being exploited?
Low — EPSS is 1.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 45.8.0esr-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |