CVE-2026-8091

Public on 2026-05-07
Modified on 2026-05-08
Description
Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, Thunderbird 140.10.1, and Firefox ESR 115.35.2.
Severity
Important severity
Important
See what this means
CVSS v3 Base Score
8.8
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Firefox Extra firefox 2026-05-26 ALAS2FIREFOX-2026-060 Fixed
Amazon Linux 2023 firefox 2026-05-26 ALAS2023-2026-1725 Fixed
Amazon Linux 2 - Firefox Extra firefox-amzn-policies-generic Not Affected
Amazon Linux 2 - Core thunderbird 2026-05-26 ALAS2-2026-3315 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2026-8091 Mitre: CVE-2026-8091