Bug 2011097 (CVE-2021-38496)

Summary: CVE-2021-38496 Mozilla: Use-after-free in MessageTask
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 91.2, thunderbird 91.2 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2021-10-11 14:08:15 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: 2009139, 2009140, 2009141, 2009142, 2009143, 2009144, 2009145, 2010723, 2010724, 2010725, 2010727, 2010728, 2010729, 2010730, 2010731, 2010732    
Bug Blocks: 2008932    

Description Doran Moppert 2021-10-06 00:36:54 UTC
During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2021-45/#CVE-2021-38496

Comment 1 errata-xmlrpc 2021-10-11 08:10:29 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Extended Update Support

Via RHSA-2021:3756 https://access.redhat.com/errata/RHSA-2021:3756

Comment 2 errata-xmlrpc 2021-10-11 08:12:26 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.1 Extended Update Support

Via RHSA-2021:3757 https://access.redhat.com/errata/RHSA-2021:3757

Comment 3 errata-xmlrpc 2021-10-11 08:13:40 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:3755 https://access.redhat.com/errata/RHSA-2021:3755

Comment 4 Product Security DevOps Team 2021-10-11 14:08:15 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-2021-38496

Comment 5 errata-xmlrpc 2021-10-12 14:22:43 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2021:3791 https://access.redhat.com/errata/RHSA-2021:3791

Comment 6 errata-xmlrpc 2021-10-13 09:25:48 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.1 Extended Update Support

Via RHSA-2021:3840 https://access.redhat.com/errata/RHSA-2021:3840

Comment 7 errata-xmlrpc 2021-10-13 09:26:44 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Extended Update Support

Via RHSA-2021:3839 https://access.redhat.com/errata/RHSA-2021:3839

Comment 8 errata-xmlrpc 2021-10-13 09:31:12 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:3838 https://access.redhat.com/errata/RHSA-2021:3838

Comment 9 errata-xmlrpc 2021-10-13 09:57:27 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2021:3841 https://access.redhat.com/errata/RHSA-2021:3841