CVE-2025-0510 — MEDIUM (6.5)

Q: How severe is CVE-2025-0510?

CVE-2025-0510 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-0510?

Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Thunderbird.

Vulnerability 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 was fixed in Thunderbird 128.7 and Thunderbird 135.

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Mozilla	Thunderbird	>= 128.0.1, < 128.7.0

Related Weaknesses (CWE)

CWE-345

References

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

FAQ

What is CVE-2025-0510?

CVE-2025-0510 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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....

How severe is CVE-2025-0510?

CVE-2025-0510 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-0510?

Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Thunderbird.