vulnerability
FreeBSD: VID-5abc2187-685e-11f0-a12d-b42e991fc52e (CVE-2025-8037): Mozilla -- cookie shadowing
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:L/Au:N/C:C/I:C/A:N) | Jul 24, 2025 | Jul 25, 2025 | Jun 15, 2026 |
Severity
9
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:N)
Published
Jul 24, 2025
Added
Jul 25, 2025
Modified
Jun 15, 2026
Description
Setting a nameless cookie with an equals sign in the value shadowed other cookies. Even if the nameless cookie was set over HTTP and the shadowed cookie included the `Secure` attribute. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1.
Solutions
freebsd-upgrade-package-firefoxfreebsd-upgrade-package-firefox-esrfreebsd-upgrade-package-thunderbirdfreebsd-upgrade-package-thunderbird-esr
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.