VDB
CISA-2025-14321
CISA-2025-14321
PUBLISHED
CVSS 9.8 CRITICAL
Reported by mozilla · Published December 9, 2025
Use-after-free in the WebRTC: Signaling component. This vulnerability affects Firefox < 146, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.
Risk Scores
CVSS 3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | unspecified |
| Mozilla | Firefox ESR | unspecified |
| Mozilla | Thunderbird | unspecified |
| Mozilla | Thunderbird | unspecified |
| Mozilla | Thunderbird | unspecified, *, unspecified |
| Mozilla | Firefox | unspecified, unspecified |
| Mozilla | Firefox ESR | unspecified, * |
Timeline
- Dec 9, 2025 CVE Published
- Dec 11, 2025 CVE Updated