CVE-2026-0890
Public on 2026-01-13
Modified on 2026-01-15
Description
Spoofing issue in the DOM: Copy & Paste and Drag & Drop component. This vulnerability affects Firefox < 147 and Firefox ESR < 140.7.
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Firefox Extra | firefox | 2026-02-19 | ALAS2FIREFOX-2026-050 | Fixed |
| Amazon Linux 2023 | firefox | 2026-02-18 | ALAS2023-2026-1429 | Fixed |
| Amazon Linux 2 - Core | thunderbird | 2026-02-19 | ALAS2-2026-3167 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 3.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N |