Bug 1982013 (CVE-2021-29970)

Summary: CVE-2021-29970 Mozilla: Use-after-free in accessibility features of a document
Product: [Other] Security Response Reporter: Doran Moppert <dmoppert>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: erack, jhorak, nobody, stransky, tpopela
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: firefox 78.12, thunderbird 78.12 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2021-07-15 15:54:46 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: 1979491, 1979492, 1979493, 1979494, 1979495, 1979496, 1979507, 1979508, 1979509, 1979511, 1979512, 1979513, 1979566    
Bug Blocks: 1979487    

Description Doran Moppert 2021-07-14 00:53:39 UTC
A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. 

*This bug only affected Firefox when accessibility was enabled.*



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2021-29/#CVE-2021-29970

Comment 1 errata-xmlrpc 2021-07-15 10:22:48 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.1 Extended Update Support

Via RHSA-2021:2740 https://access.redhat.com/errata/RHSA-2021:2740

Comment 2 errata-xmlrpc 2021-07-15 10:49:50 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2021:2741 https://access.redhat.com/errata/RHSA-2021:2741

Comment 3 errata-xmlrpc 2021-07-15 11:35:51 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Extended Update Support

Via RHSA-2021:2742 https://access.redhat.com/errata/RHSA-2021:2742

Comment 4 errata-xmlrpc 2021-07-15 11:52:36 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:2743 https://access.redhat.com/errata/RHSA-2021:2743

Comment 5 Product Security DevOps Team 2021-07-15 15:54:46 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-2021-29970

Comment 6 errata-xmlrpc 2021-07-26 11:36:45 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.1 Extended Update Support

Via RHSA-2021:2882 https://access.redhat.com/errata/RHSA-2021:2882

Comment 7 errata-xmlrpc 2021-07-26 12:06:03 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:2883 https://access.redhat.com/errata/RHSA-2021:2883

Comment 8 errata-xmlrpc 2021-07-26 12:15:20 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2021:2881 https://access.redhat.com/errata/RHSA-2021:2881

Comment 9 errata-xmlrpc 2021-07-27 07:47:01 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Extended Update Support

Via RHSA-2021:2914 https://access.redhat.com/errata/RHSA-2021:2914