CVE-2019-11742
6.5
MEDIUM
CVSS 3.1
EPSS 0.53%
Description
A same-origin policy violation occurs allowing the theft of cross-origin images through a combination of SVG filters and a <canvas> element due to an error in how same-origin policy is applied to cached image content. The resulting same-origin policy violation could allow for data theft. This vulnerability affects Firefox < 69, Thunderbird < 68.1, Thunderbird < 60.9, Firefox ESR < 60.9, and Firefox ESR < 68.1.
How to fix CVE-2019-11742
To remediate CVE-2019-11742, upgrade the affected package to a fixed version below.
- —upgrade to 68.1.0esr-1 or later
- —upgrade to 1:60.9.0-1 or later
Is CVE-2019-11742 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 68.1.0esr-1
- from 0, < 1:60.9.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |