CVE-2025-0510

MEDIUM 6.5

Address of e-mail sender can be spoofed by malicious email

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

0th

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 was fixed in Thunderbird 128.7 and Thunderbird 135.

Vendor	mozilla
Product	thunderbird
Ecosystems	Browser JavaScript
Industries	Technology
Published	Feb 4, 2025
Last Updated	Apr 13, 2026

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Affected Versions

Mozilla / Thunderbird

All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Fabian Densborn