CVE-2026-5732

Incorrect boundary conditions, integer overflow in the Graphics: Text component

High · published April 7, 2026

CVSS v3.1
8.8
EPSS
1%
Percentile
51.2
In the wild
Unconfirmed
What it is

Incorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability was fixed in Firefox 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00665 · 51.2th percentile
Published
2026-04-07T12:43Z
EPSS history
Timeline
  • 07 APR 12:43Z
    Incorrect boundary conditions, integer overflow in the Graphics: Text component
    cvelistv5