CVE-2026-14241

Memory safety bugs fixed in Firefox 152.0.4

High · published June 30, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
36.2
In the wild
Unconfirmed
What it is

Memory safety bugs present in Firefox 152.0.3. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 152.0.4.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00430 · 36.2th percentile
Published
2026-06-30T13:32Z
EPSS history
Timeline
  • 30 JUN 13:32Z
    Memory safety bugs fixed in Firefox 152.0.4
    cvelistv5