Bug 1992421 (CVE-2021-29980)

Summary:	CVE-2021-29980 Mozilla: Uninitialized memory in a canvas object could have led to memory corruption
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:	thunderbird 78.13, firefox 78.13	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-08-16 13:28:34 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:	1990527, 1990528, 1990529, 1990530, 1990532, 1990533, 1990544, 1990545, 1990546, 1990547, 1990548, 1990549
Bug Blocks:	1990542

Description Doran Moppert 2021-08-11 03:58:14 UTC

Uninitialized memory in a canvas object could have caused an incorrect free() leading to memory corruption and a potentially exploitable crash.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2021-35/#CVE-2021-29980

Comment 1 errata-xmlrpc 2021-08-16 09:29:30 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.1 Extended Update Support

Via RHSA-2021:3161 https://access.redhat.com/errata/RHSA-2021:3161

Comment 2 errata-xmlrpc 2021-08-16 09:40:30 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.1 Extended Update Support

Via RHSA-2021:3159 https://access.redhat.com/errata/RHSA-2021:3159

Comment 3 errata-xmlrpc 2021-08-16 09:42:45 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Extended Update Support

Via RHSA-2021:3156 https://access.redhat.com/errata/RHSA-2021:3156

Comment 4 errata-xmlrpc 2021-08-16 10:01:30 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Extended Update Support

Via RHSA-2021:3162 https://access.redhat.com/errata/RHSA-2021:3162

Comment 5 errata-xmlrpc 2021-08-16 10:06:41 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2021:3154 https://access.redhat.com/errata/RHSA-2021:3154

Comment 6 errata-xmlrpc 2021-08-16 10:11:25 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:3155 https://access.redhat.com/errata/RHSA-2021:3155

Comment 7 errata-xmlrpc 2021-08-16 10:19:48 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:3157 https://access.redhat.com/errata/RHSA-2021:3157

Comment 8 errata-xmlrpc 2021-08-16 10:37:31 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2021:3160 https://access.redhat.com/errata/RHSA-2021:3160

Comment 9 Product Security DevOps Team 2021-08-16 13:28:34 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-2021-29980