The code in this repository underwent an extensive security audit in collaboration with the Open Source Technology Improvement Fund (OSTIF) and 7ASecurity in the first half of 2023. For more details, see our blog post.
These are the SHA-256 fingerprints for our signing certificates:
- Thunderbird:
B6:52:47:79:B3:DB:BC:5A:C1:7A:5A:C2:71:DD:B2:9D:CF:BF:72:35:78:C2:38:E0:3C:3C:21:78:11:35:6D:D1
- Thunderbird Beta:
05:6B:FA:FB:45:02:49:50:2F:D9:22:62:28:70:4C:25:29:E1:B8:22:DA:06:76:0D:47:A8:5C:95:57:74:1F:BD
- K-9 Mail:
55:C8:A5:23:B9:73:35:F5:BF:60:DF:E8:A9:F3:E1:DD:E7:44:51:6D:93:57:E8:0A:92:5B:7B:22:E4:F5:55:24
You can use the following command to retrieve and verify the certificate before installation:
apksigner verify -v --print-certs <path-to-apk>
You can report a security vulnerability through the vulnerability reporting form.
We appreciate your support in making Thunderbird for Android as safe as possible!