Moole Vulnerability Database

Find real vulnerabilities before they ship

Critical

CVE-2026-8091

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.

VectorNETWORK

PublishedMay 07, 2026, 13:16

Published Bysecurity@mozilla.org

Base Score

Score9.8

Affected Versions

No affected versions found.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2029301
https://www.mozilla.org/security/advisories/mfsa2026-30/
https://www.mozilla.org/security/advisories/mfsa2026-33/
https://www.mozilla.org/security/advisories/mfsa2026-36/
https://www.mozilla.org/security/advisories/mfsa2026-39/
https://www.mozilla.org/security/advisories/mfsa2026-42/

Weakness Type

NVD-CWE-noinfo

CVSS Metrics

Base Score

9.8

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Base SeverityCritical

Version

3.1

Attack Vector (AV)

NETWORK