VDB
DEBIAN-CVE-2026-2790
DEBIAN-CVE-2026-2790
PUBLISHED
CVSS 9.800000190734863 CRITICAL
Same-origin policy bypass in the Networking: JAR component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
Risk Scores
CVSS v3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:11 | firefox-esr | 91.10.0esr-1~deb10u1, 91.9.1, 91.9.1 |
| Debian:14 | thunderbird | 140.1.1, 140.2.0, 140.3.0 |
| Debian:13 | firefox-esr | 140.5.0, 140.5.0, 140.6.0 |
| Debian:11 | thunderbird | *, *, * |
| Debian:12 | firefox-esr | 140.8.0, *, 0 |
| Debian:12 | thunderbird | 1:102.14.0-1~deb11u1, *, * |
| Debian:13 | thunderbird | 1:128.14.0esr-1, 140.5.0, 140.5.0 |
| Debian:14 | firefox-esr | 128.13.0esr-1, 128.14.0esr-1, 128.14.0esr-1~deb11u1 |
Timeline
- Feb 24, 2026 CVE Published
- Apr 28, 2026 CVE Updated