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CVE-2025-1013

Published: Feb 4, 2025

Modified: Apr 13, 2026

PUBLISHED

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.

Vendor	Product	Versions
Mozilla	Firefox	unaffected `128.7 - <= 128.` unaffected `135 - <= `
Mozilla	Thunderbird	unaffected `128.7 - <= 128.` unaffected `135 - <= `

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1932555

https://www.mozilla.org/security/advisories/mfsa2025-07/

https://www.mozilla.org/security/advisories/mfsa2025-09/

https://www.mozilla.org/security/advisories/mfsa2025-10/

https://www.mozilla.org/security/advisories/mfsa2025-11/

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