Script elements loading cross-origin resources generated load and error events which leaked information enabling XS-Leaks attacks. This vulnerability affects Firefox < 139, Firefox ESR < 128.11, Thunderbird < 139, and Thunderbird < 128.11.

Script elements loading cross-origin resources generated load and error events which leaked information enabling XS-Leaks attacks. This vulnerability affects Firefox < 139, Firefox ESR < 128.11, Thunderbird < 139, and Thunderbird < 128.11.

Script elements loading cross-origin resources generated load and error events which leaked information enabling XS-Leaks attacks. This vulnerability affects Firefox < 139, Firefox ESR < 128.11, Thunderbird < 139, and Thunderbird < 128.11.

Script elements loading cross-origin resources generated load and erro ...

Script elements loading cross-origin resources generated load and error events which leaked information enabling XS-Leaks attacks. This vulnerability affects Firefox < 139 and Firefox ESR < 128.11.

Уязвимость механизма CORS браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, позволяющая нарушителю получить несанкционированный доступ к защищаемой информации

ELSA-2025-8308: firefox security update (IMPORTANT)

ELSA-2025-8293: firefox security update (IMPORTANT)

Security update for MozillaFirefox

Security update for MozillaFirefox

Important: firefox security update

Important: firefox security update

ELSA-2025-9074: firefox security update (IMPORTANT)

ELSA-2025-8341: firefox security update (IMPORTANT)

Security update for MozillaThunderbird

ELSA-2025-8607: thunderbird security update (IMPORTANT)

Important: thunderbird security update

ELSA-2025-8608: thunderbird security update (IMPORTANT)

ELSA-2025-8756: thunderbird security update (IMPORTANT)

Important: thunderbird security update