Bug 1537821 (CVE-2018-5099)

Summary:	CVE-2018-5099 Mozilla: Use-after-free with widget listener (MFSA 2018-03)
Product:	[Other] Security Response	Reporter:	Doran Moppert <dmoppert>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	cschalle, gecko-bugs-nobody, jhorak, security-response-team, stransky
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
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Fixed In Version:		Doc Type:	If docs needed, set a value
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Clone Of:		Environment:
Last Closed:	2018-02-02 00:47:34 UTC	Type:	---
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Documentation:	---	CRM:
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	1534345

Description Doran Moppert 2018-01-23 23:16:57 UTC

A use-after-free vulnerability can occur when the widget listener is holding strong references to browser objects that have previously been freed, resulting in a potentially exploitable crash when these references are used.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2018-03/#CVE-2018-5099

Comment 1 Doran Moppert 2018-01-23 23:17:02 UTC

Acknowledgments:

Name: the Mozilla project
Upstream: Nils

Comment 2 errata-xmlrpc 2018-01-24 10:06:42 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7
  Red Hat Enterprise Linux 6

Via RHSA-2018:0122 https://access.redhat.com/errata/RHSA-2018:0122

Comment 3 errata-xmlrpc 2018-02-01 11:26:40 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6
  Red Hat Enterprise Linux 7

Via RHSA-2018:0262 https://access.redhat.com/errata/RHSA-2018:0262