CVE-2025-1938

MEDIUM

Firefox < 136 and Firefox ESR < 128.8 - Out-of-bounds Write

Title source: llm
STIX 2.1

Description

Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7. 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, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

References (6)

Core 6

Scores

CVSS v3 6.5
EPSS 0.0031
EPSS Percentile 54.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-787
Status published
Products (7)
mozilla/firefox < 128.7.0
mozilla/firefox < 135.0
Mozilla/Firefox 128.8 - 128.*
Mozilla/Firefox 136
mozilla/thunderbird < 128.7.0
Mozilla/Thunderbird 128.8 - 128.*
Mozilla/Thunderbird 136
Published Mar 04, 2025
Tracked Since Feb 18, 2026