VDB
DEBIAN-CVE-2026-4712
DEBIAN-CVE-2026-4712
REJECTED
CVSS 7.5 HIGH
Information disclosure in the Widget: Cocoa component. This vulnerability affects 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:H/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:11 | firefox-esr | 102.15.1, 102.15.0, 102.15.0 |
| Debian:11 | thunderbird | 140.1.1, 140.2.0, 140.3.0 |
| Debian:13 | thunderbird | 0, 128.14.0, 128.14.0 |
| Debian:13 | firefox-esr | 0, 140.8.0, 140.8.0 |
| Debian:14 | thunderbird | 1:140.6.0esr-1, 1:140.5.0esr-1~deb13u1, 1:140.5.0esr-1~deb12u1 |
| Debian:12 | firefox-esr | 140.8.0, 0, 102.11.0esr-1 |
| Debian:14 | firefox-esr | *, *, * |
| Debian:12 | thunderbird | 140.7.1, 140.7.1, 140.7.0 |
Exploit Intelligence
- mfsa2026-23.yml (github-poc)
- 2026.xml (github-poc)
Timeline
- Mar 25, 2026 CVE Rejected