Description
Clickjacking issue, information disclosure in the PDF Viewer component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
References (5)
Scores
CVSS v3
4.3
EPSS
0.0001
EPSS Percentile
2.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-497
Status
published
Products (8)
mozilla/firefox
< 140.7.0
mozilla/firefox
< 147.0
Mozilla/Firefox
140.7 - 140.*
Mozilla/Firefox
147
mozilla/thunderbird
< 140.7.0
mozilla/thunderbird
< 147.0
Mozilla/Thunderbird
140.7 - 140.*
Mozilla/Thunderbird
147
Published
Jan 13, 2026
Tracked Since
Feb 18, 2026