CVE-2019-11762
6.1
MEDIUM
CVSS 3.1
EPSS 0.35%
Description
If two same-origin documents set document.domain differently to become cross-origin, it was possible for them to call arbitrary DOM methods/getters/setters on the now-cross-origin window. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.
How to fix CVE-2019-11762
To remediate CVE-2019-11762, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 68.2.0esr-1 or later
- —upgrade to 1:68.2.1-1 or later
Is CVE-2019-11762 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 68.2.0esr-1
- from 0, < 1:68.2.1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |