CVE-2026-3846

Public on 2026-03-10
Modified on 2026-03-13
Description
Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability affects Firefox < 148.0.2.
Severity
Medium severity
Medium
See what this means
CVSS v3 Base Score
6.5
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Firefox Extra firefox Not Affected
Amazon Linux 2023 firefox Not Affected
Amazon Linux 2 - Core thunderbird Not Affected

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N