CVE-2025-0510

Name: CVE-2025-0510
Creator: NVD / NIST
Published: 2025-02-04T14:15:31.55+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.22%

Last modified Jun 17, 2026

CVE-2025-0510 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.22% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.22%

12.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-345

Affected Software

Vendor	Product	Versions
Mozilla	Thunderbird	>= 128.0.1, < 128.7.0
Mozilla	Thunderbird	>= 131.0, < 135.0

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

Timeline

Published: Feb 4, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-0510?

How severe is CVE-2025-0510?

CVE-2025-0510 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.

How do I fix CVE-2025-0510?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-0510?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST