CVE-2020-12416

HIGH
8.8
CVSS Score
Published: July 9, 2020 at 02:40 PM UTC
Updated: June 17, 2026 at 02:51 AM UTC
2 products affected across 2 vendorsFirefoxLeap

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Severity
HIGH8.8
Exploit prediction
EPSS 1%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 78
Affected range stops below 78, so it looks safe — our inference, not a vendor statement
Affected range stops below 78.0, so it looks safe — our inference, not a vendor statement

References (5)

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html
x_refsource_MISCExploitIssue TrackingVendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1639734
Vendor Advisoryx_refsource_GENTOOThird Party Advisory
https://security.gentoo.org/glsa/202007-10

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-362CWE-416

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