CVE-2025-0510

6.5 mediumEPSS 0.3%

Medium (6.5) in mozilla thunderbird. EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.5 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 21% of CVEs (scores of 2026-10-31)
CWE: CWE-345
Published: 2025-02-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mozilla:thunderbird

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/

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