Improper Restriction of Rendered UI Layers or Frames Affecting firefox package, versions <83.0-1
Snyk CVSS
Attack Complexity
Low
User Interaction
Required
Threat Intelligence
EPSS
0.1% (42nd
percentile)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-DEBIANUNSTABLE-FIREFOX-1041071
- published 18 Nov 2020
- disclosed 9 Dec 2020
Introduced: 18 Nov 2020
CVE-2020-26953 Open this link in a new tabHow to fix?
Upgrade Debian:unstable
firefox
to version 83.0-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox
package and not the firefox
package as distributed by Debian
.
See How to fix?
for Debian:unstable
relevant fixed versions and status.
It was possible to cause the browser to enter fullscreen mode without displaying the security UI; thus making it possible to attempt a phishing attack or otherwise confuse the user. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.