vulnerability

Oracle Linux: CVE-2021-38503: ELSA-2021-4116: firefox security update (IMPORTANT) (Multiple Advisories)

Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
2021-11-02
Added
2021-11-04
Modified
2025-01-07

Description

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. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
The Mozilla Foundation Security Advisory describes this flaw as:
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(s)

oracle-linux-upgrade-firefoxoracle-linux-upgrade-thunderbird
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.