vulnerability
MFSA2025-20 Firefox: Security Vulnerabilities fixed in Firefox 137 (CVE-2025-3034)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:C) | Apr 1, 2025 | Apr 2, 2025 | Aug 11, 2025 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
Apr 1, 2025
Added
Apr 2, 2025
Modified
Aug 11, 2025
Description
Memory safety bugs present in Firefox 136 and Thunderbird 136. 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 < 137 and Thunderbird < 137.
Solution
mozilla-firefox-upgrade-137_0
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.