| Description |
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It has been found that setting a master password post-Thunderbird 52 does not delete unencrypted previously stored passwords before Thunderbird 68.5. If a user saved passwords before Thunderbird 60 and then later set a master password, an unencrypted copy of these passwords is still accessible. This is because the older stored password file was not deleted when the data was copied to a new format starting in Thunderbird 60. The new master password is added only on the new file. This could allow the exposure of stored password data outside of user expectations. |
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