CVE-2025-1943

Memory safety bugs fixed in Firefox 136 and Thunderbird 136

High · published March 4, 2025

CVSS v3.1
8.2
EPSS
0%
Percentile
36.6
In the wild
Unconfirmed
What it is

Memory safety bugs present in Firefox 135 and Thunderbird 135. 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 136 and Thunderbird 136.

The record
Technical detail
CVSS v3.1
8.2 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
CVSS v4.0
Not supplied
EPSS
0.00434 · 36.6th percentile
Published
2025-03-04T13:31Z
EPSS history
Timeline
  • 04 MAR 13:31Z
    Memory safety bugs fixed in Firefox 136 and Thunderbird 136
    cvelistv5