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CVE-2020-12416

Date: July 9, 2020

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.

Severity Score

Related Resources (9)

https://bugzilla.mozilla.org/show_bug.cgi?id=1639734
https://nvd.nist.gov/vuln/detail/CVE-2020-12416
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-12416
https://security.alpinelinux.org/vuln/CVE-2020-12416
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html
https://security.gentoo.org/glsa/202007-10
https://www.mozilla.org/security/advisories/mfsa2020-24/
https://www.mend.io/vulnerability-database/CVE-2020-12416

Severity Score

Weakness Type (CWE)

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CWE-362

Use After Free

CWE-416

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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