vulnerability

Amazon Linux 2023: CVE-2025-5266: Important priority package update for firefox

Severity
6
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:N)
Published
May 27, 2025
Added
Jun 11, 2025
Modified
Jul 17, 2025

Description

Script elements loading cross-origin resources generated load and error events which leaked information enabling XS-Leaks attacks. This vulnerability affects Firefox < 139, Firefox ESR < 128.11, Thunderbird < 139, and Thunderbird < 128.11.
A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Script elements loading cross-origin resources generate load and error events which can leak information enabling XS-Leaks attacks.

Solutions

amazon-linux-2023-upgrade-firefoxamazon-linux-2023-upgrade-firefox-debuginfoamazon-linux-2023-upgrade-firefox-debugsource
Title
NEW

Explore Exposure Command

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