Description
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
References (5)
Core 5
Scores
CVSS v3
9.1
EPSS
0.0025
EPSS Percentile
16.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-693
Status
published
Products (8)
mozilla/firefox
< 140.12.0
mozilla/firefox
< 152.0.0
Mozilla/Firefox
140.12 - 140.*
Mozilla/Firefox
152
mozilla/thunderbird
< 140.12.0
mozilla/thunderbird
< 152.0.0
Mozilla/Thunderbird
140.12 - 140.*
Mozilla/Thunderbird
152
Published
Jun 16, 2026
Tracked Since
Jun 16, 2026