CVE-2026-0886

Incorrect boundary conditions in the Graphics component

Medium · published January 13, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
31.1
In the wild
Unconfirmed
What it is

Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

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:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00383 · 31.1th percentile
Published
2026-01-13T13:30Z
EPSS history
Timeline
  • 13 JAN 13:30Z
    Incorrect boundary conditions in the Graphics component
    cvelistv5