Bug 1875242 (CVE-2020-12416)

Summary:	CVE-2020-12416 Mozilla: Use-after-free in WebRTC VideoBroadcaster
Product:	[Other] Security Response	Reporter:	Doran Moppert <dmoppert>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	cschalle, gecko-bugs-nobody, jhorak, stransky
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	thunderbird 78	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-09-03 07:17:46 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	1850728

Description Doran Moppert 2020-09-03 06:07:42 UTC

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.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2020-29/#CVE-2020-12416

Comment 1 Doran Moppert 2020-09-03 06:07:45 UTC

Acknowledgments:

Name: the Mozilla project
Upstream: Alex Mayorga

Comment 2 Product Security DevOps Team 2020-09-03 07:17:46 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-12416