Bug 1461252 (CVE-2017-5472)

Summary: CVE-2017-5472 Mozilla: Use-after-free using destroyed node when regenerating trees (MFSA 2017-16)
Product: [Other] Security Response Reporter: Huzaifa S. Sidhpurwala <huzaifas>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: urgent Docs Contact:
Priority: urgent    
Version: unspecifiedCC: cschalle, jhorak, stransky
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Last Closed: 2017-06-27 06:09:38 UTC Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Blocks: 1459420    

Description Huzaifa S. Sidhpurwala 2017-06-14 04:22:52 UTC 
A use-after-free vulnerability with the frameloader during tree reconstruction while regenerating CSS layout when attempting to use a node in the tree that no longer exists. This results in a potentially exploitable crash.


External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2017-16/#CVE-2017-5472


Acknowledgements:

Name: the Mozilla project
Upstream: Nils
Comment 1 errata-xmlrpc 2017-06-14 07:52:41 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6
  Red Hat Enterprise Linux 7

Via RHSA-2017:1440 https://access.redhat.com/errata/RHSA-2017:1440
Comment 2 errata-xmlrpc 2017-06-21 04:36:49 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6
  Red Hat Enterprise Linux 7

Via RHSA-2017:1561 https://access.redhat.com/errata/RHSA-2017:1561