CVE-2026-4710

CRITICAL

Incorrect boundary conditions in the Audio/Video component

Title source: cna
STIX 2.1

Description

Incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

References (5)

Scores

CVSS v3 9.8
EPSS 0.0003
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 partial

Details

CWE
CWE-119
Status published
Products (12)
mozilla/firefox < 140.9.0
mozilla/firefox < 149.0
Mozilla/Firefox 140.9 - 140.*
Mozilla/Firefox 149
Mozilla/Firefox unspecified - 149
Mozilla/Firefox ESR unspecified - 140.9
mozilla/thunderbird < 140.9.0
mozilla/thunderbird < 149.0
Mozilla/Thunderbird 140.9 - 140.*
Mozilla/Thunderbird 149
... and 2 more
Published Mar 24, 2026
Tracked Since Mar 24, 2026