CVE-2020-12416

PoC —

CVSS 3.1

8.8 high

EPSS

1%p70

Published

Jul 9, 2020 (Jul 9, 2020)

Modified

Jun 17, 2026

Description

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.

Vendors: mozilla opensuse
Products: firefox, leap
Weakness: CWE-362, CWE-416
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.4%)

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