VDB
DEBIAN-CVE-2026-4704
DEBIAN-CVE-2026-4704
PUBLISHED
CVSS 7.5 HIGH
Denial-of-service in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:14 | firefox-esr | 140.3.1esr-2, 140.3.1esr-1~deb13u1, 140.3.1esr-1~deb12u1 |
| Debian:13 | firefox-esr | 140.3.0, 140.3.0, 140.3.0 |
| Debian:13 | thunderbird | 0, 1:128.14.0esr-1, 1:128.14.0esr-1~deb11u1 |
| Debian:12 | thunderbird | 128.6.0, 128.7.0, 128.8.0 |
| Debian:11 | firefox-esr | 128.3.0esr-1~deb12u1, 128.3.0esr-1~deb11u2, 128.3.0esr-1~deb11u1 |
| Debian:12 | firefox-esr | 140.9.0, 102.11.0esr-1, 102.12.0esr-1 |
| Debian:14 | thunderbird | 1:140.8.0esr-1~deb13u1, 1:140.9.0esr-1~deb11u1, 1:140.9.0esr-1~deb12u1 |
| Debian:11 | thunderbird | 1:89.0~b2-1, 1:86.0~b3-1, 1:85.0~b3-1 |
Timeline
- Mar 24, 2026 CVE Published
- Apr 28, 2026 CVE Updated