Alert GCSA-25076 - Aggiornamento di sicurezza per Mozilla Firefox e Thunderbird

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alert ID: GCSA-25076
data: 12 giugno 2025
titolo: Aggiornamento di sicurezza per Mozilla Firefox e Thunderbird

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:: Descrizione del problema

Mozilla ha rilasciato nuove versioni del browser Firefox
e del client di posta Thunderbird con le quali risolve
varie vulnerabilita', alcune di livello alto.

Maggiori informazioni sono disponibili alla sezione "Riferimenti".


:: Software interessato

Firefox versioni precedenti alla 139.0.4

Thunderbird versioni precedenti alla 139.0.2
Thunderbird versioni precedenti alla 128.11.1


:: Impatto

Denial of Service (DoS)
Accesso a dati riservati (ID)
Bypass delle funzionalita' di sicurezza (SFB)


:: Soluzioni

Aggiornare Firefox all'ultima versione

https://support.mozilla.org/en-US/kb/update-firefox-latest-release
https://www.mozilla.org/it/firefox/new/
https://www.mozilla.org/it/firefox/enterprise/
https://www.mozilla.org/it/firefox/all/#product-desktop-release

Aggiornare Thunderbird all'ultima versione

https://support.mozilla.org/it/kb/aggiornamento-di-thunderbird
https://www.thunderbird.net/it/
https://www.thunderbird.net/it/thunderbird/all/
https://www.thunderbird.net/it/thunderbird/releases/


:: Riferimenti

Mozilla Foundation Security Advisory
https://www.mozilla.org/en-US/security/advisories/
https://www.mozilla.org/en-US/security/advisories/mfsa2025-47/
https://www.mozilla.org/en-US/security/advisories/mfsa2025-49/
https://www.mozilla.org/en-US/security/advisories/mfsa2025-50/

Firefox - Release Notes
https://www.mozilla.org/en-US/firefox/139.0.4/releasenotes/

Thunderbird - Release Notes
https://www.thunderbird.net/en-US/thunderbird/139.0.2/releasenotes/
https://www.thunderbird.net/en-US/thunderbird/128.11.1esr/releasenotes/

Mitre CVE
https://www.cve.org/CVERecord?id=CVE-2025-49709
https://www.cve.org/CVERecord?id=CVE-2025-49710
https://www.cve.org/CVERecord?id=CVE-2025-5986


GARR CERT Security Alert - subscribe/unsubscribe:
http://www.cert.garr.it/alert/ricevi-gli-alert-di-cert
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