vulnerability

MFSA2025-11 Thunderbird: Security Vulnerabilities fixed in Thunderbird 135 (CVE-2025-1013)

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Severity

CVSS

(AV:N/AC:L/Au:N/C:P/I:P/A:N)

Published

Feb 4, 2025

Added

Feb 5, 2025

Modified

Jun 21, 2026

Description

A race condition could have led to private browsing tabs being opened in normal browsing windows. This could have resulted in a potential privacy leak. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

Solution

mozilla-thunderbird-upgrade-135_0

References

CVE-2025-1013
https://attackerkb.com/topics/CVE-2025-1013
CWE-362
EUVD-EUVD-2025-1968
http://www.mozilla.org/security/announce/2025/mfsa2025-11.html
https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-1968

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