CVE-2021-29965

A malicious website that causes an HTTP Authentication dialog to be spawned could trick the built-in password manager to suggest passwords for the currently active website instead of the website that triggered the dialog. *This bug only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 89.

• CWE-610

• https://bugzilla.mozilla.org/show_bug.cgi?id=1709257Permissions Required, Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2021-23/Release Notes, Vendor Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1709257Permissions Required, Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2021-23/Release Notes, Vendor Advisory

Published

Jun 24, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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• CVE-2021-29962Firefox for Android would become unstable and hard-to-recove…4.3
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• CVE-2021-29964A locally-installed hostile program could send `WM_COPYDATA`…7.1
• CVE-2021-29966Mozilla developers reported memory safety bugs present in Fi…8.8
• CVE-2021-29967Mozilla developers reported memory safety bugs present in Fi…8.8
• CVE-2021-29968When drawing text onto a canvas with WebRender disabled, an …8.1
• CVE-2021-29969If Thunderbird was configured to use STARTTLS for an IMAP co…5.9
• CVE-2021-29970A malicious webpage could have triggered a use-after-free, m…8.8
• CVE-2021-29971If a user had granted a permission to a webpage and saved th…9.8