VDB
DEBIAN-CVE-2026-2761
DEBIAN-CVE-2026-2761
PUBLISHED
CVSS 10 CRITICAL
Sandbox escape in the Graphics: WebRender component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
Risk Scores
CVSS 3.1
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:13 | thunderbird | 1:140.4.0esr-1~deb13u1, 1:140.7.0esr-1~deb12u1, 1:140.7.0esr-1~deb11u1 |
| Debian:14 | firefox-esr | 140.7.0esr-1, 128.14.0esr-1, 128.13.0esr-1 |
| Debian:14 | thunderbird | 1:140.7.1esr-1~deb13u1, 1:140.8.0esr-1~deb13u1, 1:140.8.0esr-1~deb12u1 |
| Debian:13 | firefox-esr | 0, 140.8.0esr-1~deb12u1, 140.8.0esr-1~deb11u1 |
| Debian:12 | firefox-esr | 140.8.0esr-1~deb11u1, 0, 102.11.0esr-1 |
| Debian:12 | thunderbird | 1:115.0-1, 1:114.0~b2-1, 1:113.0~b3-1 |
Timeline
- Feb 24, 2026 CVE Published
- Oct 1, 2026 CVE Updated