Thunderbird unprotects a secret OpenPGP key prior to using it for a decryption, signing or key import task. If the task runs into a failure, the secret key may remain in memory in its unprotected state. This vulnerability affects Thunderbird < 78.8.1.
Weakness
The product stores sensitive information in cleartext within a resource that might be accessible to another control sphere.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Thunderbird | Mozilla | * | 78.8.1 (excluding) |
| Red Hat Enterprise Linux 7 | RedHat | thunderbird-0:78.9.1-1.el7_9 | * |
| Red Hat Enterprise Linux 8 | RedHat | thunderbird-0:78.9.1-1.el8_3 | * |
| Red Hat Enterprise Linux 8.1 Extended Update Support | RedHat | thunderbird-0:78.9.1-1.el8_1 | * |
| Red Hat Enterprise Linux 8.2 Extended Update Support | RedHat | thunderbird-0:78.9.1-1.el8_2 | * |
| Thunderbird | Ubuntu | bionic | * |
| Thunderbird | Ubuntu | focal | * |
| Thunderbird | Ubuntu | groovy | * |
| Thunderbird | Ubuntu | trusty | * |
| Thunderbird | Ubuntu | upstream | * |
| Thunderbird | Ubuntu | xenial | * |