CVE-2026-12292

Incorrect boundary conditions in the Web Audio component

High · published June 16, 2026

CVSS v3.1
8.1
EPSS
0%
Percentile
41.4
In the wild
Unconfirmed
What it is

Incorrect boundary conditions in the Web Audio component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00493 · 41.4th percentile
Published
2026-06-16T11:52Z
EPSS history
Timeline
  • 16 JUN 11:52Z
    Incorrect boundary conditions in the Web Audio component
    cvelistv5