CVE-2025-0510

Summary

CVE-2025-0510 is a new vulnerability affecting Thunderbird email clients. If an email's From field utilizes the invalid group name syntax described in CVE-2024-49040, Thunderbird will incorrectly display the sender address. This issue poses a security risk, as it may lead users to trust emails from seemingly trustworthy sources. The vulnerability affects Thunderbird versions older than 128.7 and 135. To mitigate this risk, it's recommended that users update their Thunderbird clients to the latest available version as soon as possible.

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