vulnerability
Debian: CVE-2025-14321: firefox-esr, thunderbird -- security update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 10 | (AV:N/AC:L/Au:N/C:C/I:C/A:C) | Dec 12, 2025 | Dec 12, 2025 | Dec 15, 2025 |
Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
Dec 12, 2025
Added
Dec 12, 2025
Modified
Dec 15, 2025
Description
Use-after-free in the WebRTC: Signaling component. This vulnerability affects Firefox < 146, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.
Solutions
debian-upgrade-firefox-esrdebian-upgrade-thunderbird
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