ZeroHour

CVE-2026-6748

CVSS 3.1
9.8 critical
EPSS
<1%p33
Published
()
Modified
Description

Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Vendors
mozilla
Products
firefox, thunderbird
Weakness
CWE-457, CWE-824
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

In the news

No ingested article mentions this CVE yet.