vulnerability
Arch Linux: Sandbox escape (CVE-2021-38503)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:L/Au:N/C:P/I:P/A:P) | Dec 8, 2021 | Jul 11, 2025 | Nov 27, 2025 |
Severity
7
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
Dec 8, 2021
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
A security issue has been found in Firefox before version 94 and Thunderbird before version 91.3. The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame.
Solution
arch-linux-upgrade-latest
References
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.