CVE-2026-6763
Public on 2026-04-21
Modified on 2026-04-23
Description
Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10.
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Firefox Extra | firefox | 2026-05-14 | ALAS2FIREFOX-2026-058 | Fixed |
| Amazon Linux 2023 | firefox | 2026-05-14 | ALAS2023-2026-1652 | Fixed |
| Amazon Linux 2 - Firefox Extra | firefox-amzn-policies-generic | Not Affected | ||
| Amazon Linux 2 - Core | thunderbird | 2026-05-14 | ALAS2-2026-3290 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |