CVE-2026-8091

CRITICAL

Incorrect boundary conditions in the Audio/Video: Playback component

Title source: cna
STIX 2.1

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.

References (7)

Core 7

Scores

CVSS v3 9.8
EPSS 0.0002
EPSS Percentile 6.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-754
Status published
Products (7)
mozilla/firefox < 115.35.2
Mozilla/Firefox 115.35.2 - 115.*
Mozilla/Firefox 140.10.1 - 140.*
Mozilla/Firefox 150
mozilla/thunderbird 140.0 - 140.10.1
Mozilla/Thunderbird 140.10.1 - 140.*
Mozilla/Thunderbird 150
Published May 07, 2026
Tracked Since May 07, 2026