Bug 1342892 (CVE-2016-2821)

Summary: CVE-2016-2821 Mozilla: Use-after-free deleting tables from a contenteditable document (MFSA 2016-51)
Product: [Other] Security Response Reporter: Huzaifa S. Sidhpurwala <huzaifas>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: cschalle, jhorak, security-response-team, stransky
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2016-07-05 06:41:52 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:    
Bug Blocks: 1335788    

Description Huzaifa S. Sidhpurwala 2016-06-06 04:08:27 UTC 
Security researcher firehack used the Address Sanitizer tool to discover a use-after-free in contenteditable mode. This occurs when deleting document object model (DOM) table elements created within the editor and results in a potentially exploitable crash. 


External Reference:

https://www.mozilla.org/security/announce/2016/mfsa2016-51.html


Acknowledgements:

Name: the Mozilla project
Upstream: firehack
Comment 1 errata-xmlrpc 2016-06-08 17:04:48 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 5
  Red Hat Enterprise Linux 7
  Red Hat Enterprise Linux 6

Via RHSA-2016:1217 https://access.redhat.com/errata/RHSA-2016:1217