Bug 1429780 (CVE-2017-5402)

Summary: CVE-2017-5402 Mozilla: Use-after-free working with events in FontFace objects (MFSA 2017-06)
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, security-response-team, stransky
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Last Closed: 2017-03-14 06:38:24 UTC Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Blocks: 1419403    

Description Huzaifa S. Sidhpurwala 2017-03-07 04:49:09 UTC
A use-after-free can occur when events are fired for a <code>FontFace</code> object after the object has been already been destroyed while working with fonts. This results in a potentially exploitable crash.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2017-06/#CVE-2017-5402


Acknowledgements:

Name: the Mozilla project
Upstream: Nils

Comment 1 errata-xmlrpc 2017-03-08 15:54:44 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2017:0461 https://rhn.redhat.com/errata/RHSA-2017-0461.html

Comment 2 errata-xmlrpc 2017-03-08 16:04:44 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6
  Red Hat Enterprise Linux 5

Via RHSA-2017:0459 https://rhn.redhat.com/errata/RHSA-2017-0459.html

Comment 3 errata-xmlrpc 2017-03-14 06:04:20 UTC
This issue has been addressed in the following products:

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

Via RHSA-2017:0498 https://rhn.redhat.com/errata/RHSA-2017-0498.html