CVE-2026-8968

Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs component

High · published May 19, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
44.3
In the wild
Unconfirmed
What it is

Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00534 · 44.3th percentile
Published
2026-05-19T12:30Z
EPSS history
Timeline
  • 19 MAY 12:30Z
    Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs component
    cvelistv5