VDB
DEBIAN-CVE-2026-4692
DEBIAN-CVE-2026-4692
PUBLISHED
CVSS 10 CRITICAL
Sandbox escape in the Responsive Design Mode component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
Risk Scores
CVSS v3.1
10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:12 | thunderbird | 140.7.0, 115.11.0-1, 115.11.0-1 |
| Debian:13 | thunderbird | 128.14.0, 1:140.3.0esr-1~deb13u1, 1:140.4.0esr-1 |
| Debian:14 | firefox-esr | 140.9.0, 140.9.0, 140.8.0 |
| Debian:11 | thunderbird | 91.1.0-1, 91.1.1-1, 91.10.0-1 |
| Debian:14 | thunderbird | 1:140.8.0esr-1~deb13u1, 1:140.9.0esr-1~deb11u1, 1:140.9.0esr-1~deb12u1 |
| Debian:11 | firefox-esr | 115.9.1esr-1~deb10u1, 115.9.1esr-1~deb11u1, 115.9.1esr-1~deb12u1 |
| Debian:12 | firefox-esr | 140.9.0, 128.11.0, 128.11.0 |
| Debian:13 | firefox-esr | 140.9.0, 140.8.0, 140.8.0 |
Timeline
- Mar 24, 2026 CVE Published
- Apr 28, 2026 CVE Updated