CVE-2020-12416

A VideoStreamEncoder may have been freed in a race condition with VideoBroadcaster::AddOrUpdateSink, resulting in a use-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 78.

• CWE-362
• CWE-416

• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.htmlMailing List, Third Party Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1639734Exploit, Issue Tracking, Vendor Advisory
• https://security.gentoo.org/glsa/202007-10Third Party Advisory
• https://www.mozilla.org/security/advisories/mfsa2020-24/Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.htmlMailing List, Third Party Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1639734Exploit, Issue Tracking, Vendor Advisory
• https://security.gentoo.org/glsa/202007-10Third Party Advisory
• https://www.mozilla.org/security/advisories/mfsa2020-24/Vendor Advisory

Published

Jul 9, 2020

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-2020-12410Mozilla developers reported memory safety bugs present in Fi…8.8
• CVE-2020-12411Mozilla developers reported memory safety bugs present in Fi…8.8
• CVE-2020-12412By navigating a tab using the history API, an attacker could…4.3
• CVE-2020-12413The Raccoon attack is a timing attack on DHE ciphersuites in…5.9
• CVE-2020-12414IndexedDB should be cleared when leaving private browsing mo…6.5
• CVE-2020-12415When "%2F" was present in a manifest URL, Firefox's AppCache…6.5
• CVE-2020-12417Due to confusion about ValueTags on JavaScript Objects, an o…8.8
• CVE-2020-12418Manipulating individual parts of a URL object could have cau…6.5
• CVE-2020-12419When processing callbacks that occurred during window flushi…8.8
• CVE-2020-1242An information disclosure vulnerability exists in the way th…5.3
• CVE-2020-12420When trying to connect to a STUN server, a race condition co…8.8
• CVE-2020-12421When performing add-on updates, certificate chains terminati…6.5