vulnerability
FreeBSD: VID-52efdd56-30bd-11f0-81be-b42e991fc52e (CVE-2025-4091): Mozilla -- memory safety bugs
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:C) | May 14, 2025 | May 15, 2025 | Mar 25, 2026 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
May 14, 2025
Added
May 15, 2025
Modified
Mar 25, 2026
Description
[email protected] reports: Memory safety bugs present in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9. 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.
Solutions
freebsd-upgrade-package-firefoxfreebsd-upgrade-package-firefox-esrfreebsd-upgrade-package-thunderbird
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.