VDB
DEBIAN-CVE-2026-4711
DEBIAN-CVE-2026-4711
REJECTED
CVSS 9.800000190734863 CRITICAL
Use-after-free 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
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:13 | firefox-esr | 140.6.0esr-1~deb13u1, 140.4.0esr-1, 140.3.0esr-1~deb12u1 |
| Debian:14 | firefox-esr | 140.3.1esr-1, 140.7.0esr-1~deb13u1, 140.7.0esr-1~deb12u1 |
| Debian:12 | firefox-esr | 140.6.0esr-1~deb13u1, 128.6.0esr-1, 128.5.1esr-1 |
| Debian:11 | thunderbird | 1:140.6.0esr-1~deb13u1, 1:140.7.0esr-1, 1:140.7.0esr-1~deb11u1 |
| Debian:14 | thunderbird | 1:135.0-1, 0, 1:148.0.1-1 |
| Debian:13 | thunderbird | 1:143.0.1-1, 1:128.13.0esr-1, 1:140.4.0esr-1 |
| Debian:12 | thunderbird | 1:103.0~b5-1, 0, 1:148.0.1-1 |
| Debian:11 | firefox-esr | 78.13.0esr-1~deb9u1, 78.14.0esr-1, 78.14.0esr-1~deb11u1 |
Timeline
- Mar 25, 2026 CVE Rejected