Description
Thunderbird displayed an incorrect sender address if the From field of an email used the invalid group name syntax that is described in CVE-2024-49040. This vulnerability was fixed in Thunderbird 128.7 and Thunderbird 135.
References (3)
Core 3
Core References
Permissions Required
https://bugzilla.mozilla.org/show_bug.cgi?id=1940570
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-10/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-11/
Scores
CVSS v3
6.5
EPSS
0.0022
EPSS Percentile
12.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-345
Status
published
Products (4)
mozilla/thunderbird
128.0.1 - 128.7.0
Mozilla/Thunderbird
128.7 - 128.*
mozilla/thunderbird
131.0 - 135.0
Mozilla/Thunderbird
135
Published
Feb 04, 2025
Tracked Since
Feb 18, 2026