Description

Thunderbird displayed an incorrect sender address if the From field of an email used the invalid group name syntax that is described in CVE-2024-49040. This vulnerability affects Thunderbird < 128.7 and Thunderbird < 135.

Classification

CVE ID: CVE-2025-0510

Affected Products

Vendor: Mozilla

Product: Thunderbird

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.05% (probability of being exploited)

EPSS Percentile: 25.78% (scored less or equal to compared to others)

EPSS Date: 2025-03-05 (when was this score calculated)

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1940570
https://www.mozilla.org/security/advisories/mfsa2025-10/
https://www.mozilla.org/security/advisories/mfsa2025-11/

Timeline