Bug 1942783 (CVE-2021-23981) - CVE-2021-23981 Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read
Summary: CVE-2021-23981 Mozilla: Texture upload into an unbound backing buffer resulte...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2021-23981
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1939796 1939797 1939798 1939799 1939800 1939801 1939805 1939806 1939807 1939808 1939809 1939810
Blocks: 1939794
TreeView+ depends on / blocked
 
Reported: 2021-03-25 00:47 UTC by Doran Moppert
Modified: 2021-03-30 11:47 UTC (History)
5 users (show)

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.
Clone Of:
Environment:
Last Closed: 2021-03-25 17:35:15 UTC
Embargoed:

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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
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