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CVE-2026-3889
MEDIUM6.5
Description
Spoofing issue in Thunderbird. This vulnerability affects Thunderbird < 149 and Thunderbird < 140.9.
CVE Details
CVSS v3.1 Score6.5
SeverityMEDIUM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Attack VectorNETWORK
ComplexityLOW
Privileges RequiredNONE
User InteractionREQUIRED
Published3/24/2026
Last Modified3/25/2026
Sourcenvd
Honeypot Sightings0
Weaknesses (CWE)
CWE-451
References
https://bugzilla.mozilla.org/show_bug.cgi?id=2020723(security@mozilla.org)
https://www.mozilla.org/security/advisories/mfsa2026-23/(security@mozilla.org)
https://www.mozilla.org/security/advisories/mfsa2026-24/(security@mozilla.org)
IOC Correlations
No correlations recorded
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