CVE-2024-8382

Internal browser event interfaces were exposed to web content when privileged EventHandler listener callbacks ran for those events. Web content that tried to use those interfaces would not be able to use them with elevated privileges, but their presence would indicate certain browser features had been used, such as when a user opened the Dev Tools console. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, Firefox ESR < 115.15, Thunderbird < 128.2, and Thunderbird < 115.15.

• CWE-273

• https://bugzilla.mozilla.org/show_bug.cgi?id=1906744Issue Tracking, Permissions Required
• https://www.mozilla.org/security/advisories/mfsa2024-39/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2024-40/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2024-41/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2024-43/
• https://www.mozilla.org/security/advisories/mfsa2024-44/
• https://lists.debian.org/debian-lts-announce/2024/09/msg00012.html
• https://lists.debian.org/debian-lts-announce/2024/09/msg00025.html

Published

Sep 3, 2024

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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