CVE-2026-6783

Incorrect boundary conditions, integer overflow in the Audio/Video: Playback component

Medium · published April 21, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
30.8
In the wild
Unconfirmed
What it is

Incorrect boundary conditions, integer overflow in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00380 · 30.8th percentile
Published
2026-04-21T12:41Z
EPSS history
Timeline
  • 21 APR 12:41Z
    Incorrect boundary conditions, integer overflow in the Audio/Video: Playback component
    cvelistv5