Bug 1942783 (CVE-2021-23981)

Summary:	CVE-2021-23981 Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read
Product:	[Other] Security Response	Reporter:	Doran Moppert <dmoppert>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	erack, jhorak, nobody, stransky, tpopela
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	firefox 78.9, thunderbird 78.9	Doc Type:	If docs needed, set a value
Doc Text:	The Mozilla Foundation Security Advisory describes this issue as: A texture upload of a Pixel Buffer Object could have confused the WebGL code to skip binding the buffer used to unpack it, resulting in memory corruption and a potentially exploitable information leak or crash.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-03-25 17:35:15 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:	1939796, 1939797, 1939798, 1939799, 1939800, 1939801, 1939805, 1939806, 1939807, 1939808, 1939809, 1939810
Bug Blocks:	1939794

Description Doran Moppert 2021-03-25 00:47:09 UTC

A texture upload of a Pixel Buffer Object could have confused the WebGL code to skip binding the buffer used to unpack it, resulting in memory corruption and a potentially exploitable information leak or crash.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2021-11/#CVE-2021-23981

Comment 1 Doran Moppert 2021-03-25 00:47:13 UTC

Acknowledgments:

Name: the Mozilla project
Upstream: Abraruddin Khan and Omair

Comment 2 errata-xmlrpc 2021-03-25 12:19:27 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:0990 https://access.redhat.com/errata/RHSA-2021:0990

Comment 3 errata-xmlrpc 2021-03-25 12:30:37 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.1 Extended Update Support

Via RHSA-2021:0991 https://access.redhat.com/errata/RHSA-2021:0991

Comment 4 errata-xmlrpc 2021-03-25 12:55:47 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.1 Extended Update Support

Via RHSA-2021:0995 https://access.redhat.com/errata/RHSA-2021:0995

Comment 5 errata-xmlrpc 2021-03-25 12:56:49 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:0993 https://access.redhat.com/errata/RHSA-2021:0993

Comment 6 errata-xmlrpc 2021-03-25 12:57:17 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Extended Update Support

Via RHSA-2021:0989 https://access.redhat.com/errata/RHSA-2021:0989

Comment 7 errata-xmlrpc 2021-03-25 12:57:47 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Extended Update Support

Via RHSA-2021:0994 https://access.redhat.com/errata/RHSA-2021:0994

Comment 8 errata-xmlrpc 2021-03-25 13:33:12 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2021:0996 https://access.redhat.com/errata/RHSA-2021:0996

Comment 9 errata-xmlrpc 2021-03-25 13:33:49 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2021:0992 https://access.redhat.com/errata/RHSA-2021:0992

Comment 10 Product Security DevOps Team 2021-03-25 17:35:15 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-2021-23981