vulnerability

Ubuntu: USN-7263-1 (CVE-2025-1020): Firefox vulnerabilities

Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
Feb 4, 2025
Added
Feb 12, 2025
Modified
Aug 18, 2025

Description

Memory safety bugs present in Firefox 134 and Thunderbird 134. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 135 and Thunderbird < 135.

Solution

ubuntu-upgrade-firefox
Title
NEW

Explore Exposure Command

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