CVE-2026-8954
Public on 2026-05-19
Modified on 2026-05-20
Description
Incorrect boundary conditions, integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Firefox Extra | firefox | 2026-06-08 | ALAS2FIREFOX-2026-061 | Fixed |
| Amazon Linux 2023 | firefox | 2026-06-08 | ALAS2023-2026-1793 | Fixed |
| Amazon Linux 2 - Core | thunderbird | 2026-06-08 | ALAS2-2026-3340 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L |