VDB
DEBIAN-CVE-2020-26953
DEBIAN-CVE-2020-26953
PUBLISHED
CVSS 4.300000190734863 MEDIUM
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.
Risk Scores
CVSS 3.1
4.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:14 | firefox-esr | 0, 0, 0 |
| Debian:13 | thunderbird | 0, 0, 0 |
| Debian:11 | firefox-esr | 0, 0, 0 |
| Debian:13 | firefox-esr | 0, 0, 0 |
| Debian:12 | thunderbird | 0, 0, 0 |
| Debian:14 | thunderbird | 0, 0, 0 |
| Debian:12 | firefox-esr | 0, 0, 0 |
| Debian:11 | thunderbird | 0, 0, 0 |
Timeline
- Dec 9, 2020 CVE Published
- Apr 28, 2026 CVE Updated