VDB
DEBIAN-CVE-2026-6748
DEBIAN-CVE-2026-6748
PUBLISHED
CVSS 9.800000190734863 CRITICAL
Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
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 | thunderbird | 1:140.4.0esr-1~deb13u1, 1:140.4.0esr-1~deb12u1, 1:140.4.0esr-1~deb11u1 |
| Debian:14 | thunderbird | 1:140.10.0esr-1~deb11u1, 0, 1:128.13.0esr-1 |
| Debian:12 | firefox-esr | 115.5.0esr-1~deb12u1, 115.5.0esr-1~deb11u1, 115.5.0esr-1~deb10u1 |
| Debian:13 | firefox-esr | 140.3.1esr-1~deb13u1, 0, 128.13.0esr-1 |
| Debian:12 | thunderbird | 1:102.11.0-1, 1:140.9.1esr-1~deb13u1, 1:140.9.1esr-1~deb12u1 |
| Debian:14 | firefox-esr | 0, 128.13.0esr-1, 128.14.0esr-1 |
Timeline
- Apr 21, 2026 CVE Published
- Oct 27, 2026 CVE Updated