VDB
DEBIAN-CVE-2026-3889
DEBIAN-CVE-2026-3889
PUBLISHED
CVSS 6.5 MEDIUM
Spoofing issue in Thunderbird. This vulnerability was fixed in Thunderbird 149 and Thunderbird 140.9.
Risk Scores
CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:14 | thunderbird | 140.9.0, 140.9.0, 140.9.0 |
| Debian:12 | thunderbird | 1:128.10.0esr-1~deb12u1, 1:128.10.1esr-1, 1:128.10.1esr-1~deb12u1 |
| Debian:13 | thunderbird | 1:140.9.0esr-1~deb12u1, 1:128.14.0esr-1, 0 |
| Debian:11 | thunderbird | 1:140.4.0esr-1, 1:140.4.0esr-1~deb11u1, 1:140.4.0esr-1~deb12u1 |
Exploit Intelligence
- mfsa2026-23.yml (github-poc)
Timeline
- Mar 24, 2026 CVE Published
- Apr 28, 2026 CVE Updated