CVE-2019-9816

A possible vulnerability exists where type confusion can occur when manipulating JavaScript objects in object groups, allowing for the bypassing of security checks within these groups. *Note: this vulnerability has only been demonstrated with UnboxedObjects, which are disabled by default on all supported releases.*. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.

• CWE-843

• https://bugzilla.mozilla.org/show_bug.cgi?id=1536768Permissions Required
• https://www.mozilla.org/security/advisories/mfsa2019-13/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2019-14/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2019-15/Vendor Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1536768Permissions Required
• https://www.mozilla.org/security/advisories/mfsa2019-13/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2019-14/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2019-15/Vendor Advisory

Published

Jul 23, 2019

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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