CVE-2026-3889 PUBLISHED

Spoofing issue in Thunderbird

Assigner: mozilla
Reserved: 10.03.2026 Published: 24.03.2026 Updated: 24.03.2026

Spoofing issue in Thunderbird. This vulnerability affects Thunderbird < 149 and Thunderbird < 140.9.

Product Status

Vendor Mozilla
Product Thunderbird
Versions
  • affected from unspecified to 149 (excl.)
Vendor Mozilla
Product Thunderbird
Versions
  • affected from unspecified to 140.9 (excl.)

Credits

  • Eemeli Aro

References